Top 100 Key Players companies in Ductility by Highest Patent Value in the Japan in 2021 – Discovery

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The Ductility top 100 is Discovery PatSnap’ annual ranking of the top 100 Highest Patent Value Ductility Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test. According to Shigley's Mechanical Engineering Design (10th Ed.) significant denotes about 5.0 percent elongation (Section 5.3, p. 233). See also Eq. 2–12, p. 50 for definitions of percent elongation and percent area reduction. Ductility is often characterized by a material's ability to be stretched into a wire.

1	Nihon Koshuha Co. Ltd.	Japan		Avg patent value: 3.96 M
2	NIPPON STEEL TEXENG CO., LTD.	Tokyo, Japan	Instrumentation,Construction engineering	Avg patent value: 3.39 M
3	Mitsubishi Shindoh Co., Ltd.	Tokyo, Japan	Metal,Alloy,Brass, ...[+2]	Avg patent value: 3.27 M
4	I.S.T Corp.	Shiga, Japan	Polyimide,Fiber,Textile (markup language), ...[+2]	Avg patent value: 2.98 M
5	Dexerials Corp.	Tokyo, Japan	Electronic component,Polarizer,Electronics, ...[+2]	Avg patent value: 2.87 M
6	Nagoya Oilchemical Co. Ltd.	Japan		Avg patent value: 2.74 M
7	Japan Display, Inc.	Tokyo, Japan	Semiconductor,Electronic visual display,Navigation system, ...[+2]	Avg patent value: 2.50 M
8	Toray Opelontex Co., Ltd.	Tokyo, Japan	Textile (markup language)	Avg patent value: 2.43 M
9	Furukawa Automotive Systems, Inc.	Shiga, Japan		Avg patent value: 2.42 M
10	Nippon Steel Nisshin Co., Ltd.	Tokyo, Japan	Construction engineering	Avg patent value: 2.20 M
11	Tokyo Seimitsu Co., Ltd.	Tokyo, Japan	Semiconductor,Chemical-mechanical planarization,Electronic component, ...[+2]	Avg patent value: 2.12 M
12	JX Nippon Oil & Energy Marine Service Corp.	Japan	Lubricant,Grease,p-Xylene, ...[+2]	Avg patent value: 2.07 M
13	Nikko-Materials Co., Ltd.	Japan	Power transmission,Electronics,Silicon carbide, ...[+2]	Avg patent value: 2.04 M
14	JNC Corp.	Tokyo, Japan	Electronic component,Petrochemical,Semiconductor, ...[+2]	Avg patent value: 2.00 M
15	Livedo Corp.	Ehime, Japan	Adult diaper	Avg patent value: 1.97 M
16	Fujikura Ltd.	Tokyo, Japan	Mobile device,Optoelectronics,Optical fiber, ...[+2]	Avg patent value: 1.93 M
17	Fusokiko Co. Ltd.	Japan		Avg patent value: 1.93 M
18	Shiseido Co., Ltd.	Tokyo, Japan	Cosmetics,Elixir,Personal Care Product, ...[+2]	Avg patent value: 1.91 M
19	STARTUP Wonder Future Corp.	Tokyo, Japan	Product design	Avg patent value: 1.90 M
20	Senju Metal Industry Co., Ltd.	Tokyo, Japan	Solder ball,Mining engineering,Natural resource management, ...[+2]	Avg patent value: 1.73 M
21	Allied Material Corp.	Tokyo, Japan	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Avg patent value: 1.56 M
22	Miyoshi Oil & Fat Co., Ltd.	Tokyo, Japan	Food industry,Sales management,Starch, ...[+2]	Avg patent value: 1.52 M
23	Konica Minolta Advanced Layers, Inc.	Japan		Avg patent value: 1.50 M
24	Toshiba Energy Systems & Solutions Corp.	Fukushima, Japan	Power transmission,Electricity,Proton exchange membrane fuel cell, ...[+2]	Avg patent value: 1.48 M
25	Isuzu Motors Ltd.	Tokyo, Japan	Truck,Public transport,Diesel engine, ...[+2]	Avg patent value: 1.43 M
26	JX Nippon Mining & Metals Corp.	Tokyo, Japan	Non-ferrous metal,Cathode material,Mining engineering, ...[+2]	Avg patent value: 1.42 M
27	Sumitomo Seika Chemicals Co., Ltd.	Osaka, Japan	Polymer,Chemical engineering,Sanitary napkin, ...[+2]	Avg patent value: 1.40 M
28	Nippon Paint Automotive Coatings Co., Ltd.	Osaka, Japan	Automotive paint	Avg patent value: 1.38 M
29	Kobe Steel, Ltd.	Hyogo, Japan	Welding,Electronics,Mining engineering, ...[+2]	Avg patent value: 1.35 M
30	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Avg patent value: 1.34 M
31	Maruemu Works Co. Ltd.	Osaka, Japan	Medical equipment,Medicine,Magnesium alloy	Avg patent value: 1.33 M
32	Yoshino Kogyosho Co. Ltd.	Tokyo, Japan	Bottle,Chemical engineering	Avg patent value: 1.31 M
33	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Avg patent value: 1.31 M
34	Hitachi Metals, Ltd.	Chiba, Japan	Metal,Magnet,Telecommunications, ...[+2]	Avg patent value: 1.30 M
35	Tokushu Kinzoku Excel Co. Ltd.	Tokyo, Japan	Metal	Avg patent value: 1.30 M
36	Murata Manufacturing Co. Ltd.	Kyoto, Japan	Semiconductor,Electronics,Electronic component, ...[+2]	Avg patent value: 1.29 M
37	Toray Industries, Inc.	Tokyo, Japan	Fiber,Textile,Textile (markup language), ...[+2]	Avg patent value: 1.27 M
38	NIPPON STEEL Stainless Steel Corp.	Tokyo, Japan	Mill,Metal,Mining engineering, ...[+1]	Avg patent value: 1.25 M
39	Furukawa Electric Co., Ltd.	Tokyo, Japan	Optical fiber,Renewable energy,Optoelectronics, ...[+2]	Avg patent value: 1.24 M
40	UACJ Extrusion Corp.	Tokyo, Japan	Mining engineering,Precious metal	Avg patent value: 1.20 M
41	Sumitomo Metal Mining Co., Ltd.	Tokyo, Japan	Nickel,Mining engineering,Natural resource management, ...[+2]	Avg patent value: 1.19 M
42	Shinhokoku Material Corp.	Saitama, Japan	Alloy,Metal,Thermal expansion, ...[+1]	Avg patent value: 1.19 M
43	NHK Spring Co., Ltd.	Kanagawa, Japan	Leaf spring,Coil spring,Head restraint, ...[+2]	Avg patent value: 1.18 M
44	JFE Holdings, Inc.	Tokyo, Japan	Materials science,Product design,Carbon steel, ...[+2]	Avg patent value: 1.14 M
45	JFE Steel Corp.	Tokyo, Japan	Irone,Mining engineering,Natural resource management, ...[+2]	Avg patent value: 1.14 M
46	Kuraray Co., Ltd.	Tokyo, Japan	Synthetic rubber,Isoprene,Vinyl acetate, ...[+2]	Avg patent value: 1.13 M
47	Sumitomo Metal Industries Ltd.	Osaka, Japan	Metal,Semiconductor,Casting, ...[+2]	Avg patent value: 1.11 M
48	Otsuka Pharmaceutical Co., Ltd.	Tokyo, Japan	Nutraceutical,Health care,Cosmetics, ...[+2]	Avg patent value: 1.10 M
49	YKK Corp.	Tokyo, Japan	Fastener,Metal,Chaff, ...[+2]	Avg patent value: 1.07 M
50	DIC Corp.	Tokyo, Japan	Pigment,Chemical engineering,Synthetic resin, ...[+2]	Avg patent value: 1.07 M
51	DIC Corporation		Pigment,Polymer,Epoxy, ...[+2]	Avg patent value: 1.07 M
52	Toyobo Co., Ltd.	Osaka, Japan	Chemical engineering,Synthetic rubber,Membrane, ...[+2]	Avg patent value: 1.03 M
53	JNC Fibers Corp.	Shiga, Japan	Fiber,Textile (markup language)	Avg patent value: 1.00 M
54	Usui Co. Ltd.	Japan	Mining engineering,Natural resource management,Power steering, ...[+2]	Avg patent value: 996,750
55	Aisin Keikinzoku Co., Ltd.	Toyama, Japan	Automotive engineering	Avg patent value: 960,000
56	Toshiba Mitsubishi-Electric Industrial Systems Corp.	Tokyo, Japan	Variable-frequency drive,Industrial engineering,DC motor, ...[+2]	Avg patent value: 910,000
57	Imabari Shipbuilding Co., Ltd.	Ehime, Japan	Shipbuilding,Chip carrier	Avg patent value: 910,000
58	Sumitomo Bakelite Co., Ltd.	Tokyo, Japan	Semiconductor,Materials science,Bakelite, ...[+2]	Avg patent value: 902,500
59	The Chugoku Electric Power Co., Inc.	Hiroshima, Japan	Renewable energy,Petroleum industry,Electric power transmission, ...[+2]	Avg patent value: 886,100
60	Ajinomoto Co., Inc.	Tokyo, Japan	Seasoning,Amino acid,Food processing, ...[+2]	Avg patent value: 880,000
61	Kovax Corp.	Tokyo, Japan	Abrasive,Industrial engineering	Avg patent value: 880,000
62	Mitsubishi Hitachi Power Systems	Kanagawa, Japan	Control system	Avg patent value: 866,272
63	Daicel Corp.	Chiba, Japan	Airbag,Chemical engineering,Cellulose acetate, ...[+2]	Avg patent value: 851,920
64	Kao Corp.	Tokyo, Japan	Cosmetics,Health care,Hair conditioner, ...[+2]	Avg patent value: 842,713
65	Fuji Kihan Co., Ltd.	Aichi, Japan		Avg patent value: 784,166
66	Mitsubishi Materials Corp.	Tokyo, Japan	Cement,Alloy,Polycrystalline silicon, ...[+2]	Avg patent value: 762,154
67	Mitsubishi Materials Techno Corp.	Japan		Avg patent value: 762,154
68	Nipro Corp.	Osaka, Japan	Medical equipment,Dialysis,Hemodialysis, ...[+2]	Avg patent value: 760,000
69	GSI Creos Corp.	Tokyo, Japan	Textile,Textile (markup language),Yarn, ...[+2]	Avg patent value: 760,000
70	Yazaki Corp.	Tokyo, Japan	Electronic component,Automotive engineering,Cable harness, ...[+2]	Avg patent value: 752,892
71	Asahi Kasei Fibers Corp.	Osaka, Japan	Fiber,Nonwoven fabric,Textile (markup language), ...[+2]	Avg patent value: 740,000
72	National Institute for Materials Science IAI	Ibaraki, Japan	Metal	Avg patent value: 738,114
73	NEC Corp.	Tokyo, Japan	Virtualization,Big data,Network security, ...[+2]	Avg patent value: 735,866
74	Fuji Oil Holdings, Inc.	Osaka, Japan	Soy protein,Food processing,Textured vegetable protein, ...[+2]	Avg patent value: 732,400
75	Fuji Oil Co. Ltd. (Osaka)	Osaka, Japan	Agriculture,Fertilizer,Animal fat, ...[+2]	Avg patent value: 732,400
76	IHI Power Systems Co., Ltd.	Tokyo, Japan	Turbine,Gas engine,Manufacturing engineering, ...[+2]	Avg patent value: 730,000
77	Shin-Etsu Chemical Co., Ltd.	Tokyo, Japan	Silicone,Semiconductor,Chemical engineering, ...[+2]	Avg patent value: 706,600
78	Kubota Corp.	Osaka, Japan	Tractor,Manufacturing engineering,Combine harvester, ...[+2]	Avg patent value: 697,714
79	NTN Toyo Bearing Co., Ltd.	Japan	Ball bearing	Avg patent value: 697,583
80	Yasunaga Corp.	Mie, Japan	Electronics,Wire saw,Machine tool, ...[+2]	Avg patent value: 667,800
81	Kaneka Corp.	Tokyo, Japan	Synthetic rubber,Chemical engineering,Polyvinyl chloride, ...[+2]	Avg patent value: 635,714
82	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	Avg patent value: 620,000
83	Kanto Sanyo Semiconductors Co. Ltd.	Japan		Avg patent value: 620,000
84	Toyo Ink SC Holdings Co., Ltd.	Hokkaido, Japan	Pigment,Manufacturing engineering,Coating, ...[+2]	Avg patent value: 617,716
85	Takenaka Seisakusho Co., Ltd.	Japan	Fastener	Avg patent value: 583,000
86	Mitsubishi Power Ltd.	Kanagawa, Japan	Turbine,Control system,Renewable energy, ...[+2]	Avg patent value: 570,666
87	Osaka Yakin Kogyo Co. Ltd.	Japan		Avg patent value: 560,000
88	Polyplastics Co., Ltd.	Tokyo, Japan	Engineering plastic,Plastics engineering,Polymer, ...[+2]	Avg patent value: 557,000
89	Bridgestone Corp.	Tokyo, Japan	Automotive engineering,sports equipment,Natural rubber, ...[+2]	Avg patent value: 542,250
90	Techno-UMG Co., Ltd.	Tokyo, Japan	Polymer,Alloy,Industrial engineering, ...[+2]	Avg patent value: 506,500
91	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Avg patent value: 499,445
92	Daido Steel Co., Ltd.	Aichi, Japan	Magnet,Power transmission,Ferroalloy, ...[+2]	Avg patent value: 493,500
93	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	Avg patent value: 491,883
94	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	Avg patent value: 491,883
95	The Yokohama Rubber Co., Ltd.	Chiba, Japan	Automotive engineering,Radial tire,Tire manufacturing, ...[+2]	Avg patent value: 474,500
96	Kumiai Chemical Industry Co., Ltd.	Tokyo, Japan	Pesticide,Fungicide,Agriculture, ...[+2]	Avg patent value: 460,000
97	Port & Airport Research Institute	Japan		Avg patent value: 456,850
98	Takemoto Oil & Fat Co., Ltd.	Aichi, Japan	Food industry,Snack foods,Starch	Avg patent value: 440,000
99	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	Avg patent value: 428,773
100	Yamaha Motor Co., Ltd.	Shizuoka, Japan	Robotics,Industrial robot,Automotive engineering, ...[+2]	Avg patent value: 416,000