Top 100 Key Players companies in Lithium-ion battery by Highest Patent Value in the Japan in 2022 – Discovery

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1	Graphene Platform Corp.	Tokyo, Japan	Graphene,Semiconductor,Electronic component, ...[+2]	Avg patent value: 5.31 M
2	Toray Tonen Specialty Separator Godo Kaisha	Tochigi, Japan	Synthetic resin,Synthetic rubber,Chemical engineering	Avg patent value: 4.90 M
3	PHC Holdings Corp.	Tokyo, Japan	Medical equipment,Health care,Hospitality industry, ...[+2]	Avg patent value: 4.59 M
4	PMC KK	Tokyo, Japan	Web design	Avg patent value: 4.28 M
5	Incubation Alliance, Inc.	Hyogo, Japan	Graphene,Incubation,Carbon, ...[+2]	Avg patent value: 3.75 M
6	Toyo Kohan Co., Ltd.	Tokyo, Japan	Aluminum substrate,Ferroalloy,Mining engineering, ...[+1]	Avg patent value: 3.65 M
7	Unicharm Corp.	Tokyo, Japan	Health care,Fast-moving consumer goods,Diapering, ...[+2]	Avg patent value: 3.55 M
8	DOWA HOLDINGS Co., Ltd.	Tokyo, Japan	Metal,Mining engineering,Natural resource management, ...[+2]	Avg patent value: 3.47 M
9	Wako Pure Chemical Industries Ltd	Osaka, Japan	Medicine,Diagnostic Reagent,Laboratory chemicals, ...[+2]	Avg patent value: 3.36 M
10	Kyoritsu Chemical & Co. Ltd.	Tokyo, Japan		Avg patent value: 3.36 M
11	Matsugaki Chemical Industries Co. Ltd.	Japan		Avg patent value: 3.20 M
12	JFE Holdings, Inc.	Tokyo, Japan	Materials science,Product design,Carbon steel, ...[+2]	Avg patent value: 2.98 M
13	JFE Steel Corp.	Tokyo, Japan	Irone,Mining engineering,Natural resource management, ...[+2]	Avg patent value: 2.98 M
14	Toray Industries, Inc.	Tokyo, Japan	Fiber,Textile,Textile (markup language), ...[+2]	Avg patent value: 2.82 M
15	Exergy Power Systems KK	Tokyo, Japan	Renewable energy,Exergy,Energy management system, ...[+2]	Avg patent value: 2.65 M
16	Hitachi Mito Engineering Co., Ltd.	Japan		Avg patent value: 2.62 M
17	Kobe Steel, Ltd.	Hyogo, Japan	Welding,Electronics,Mining engineering, ...[+2]	Avg patent value: 2.56 M
18	Shin-Etsu Chemical Co., Ltd.	Tokyo, Japan	Silicone,Semiconductor,Chemical engineering, ...[+2]	Avg patent value: 2.56 M
19	AGC Seimi Chemical Co. Ltd.	Kanagawa, Japan	Organic electronics,Chemical engineering	Avg patent value: 2.54 M
20	Dexerials Corp.	Tokyo, Japan	Electronic component,Polarizer,Electronics, ...[+2]	Avg patent value: 2.37 M
21	Shanken Electric Co. Ltd.	Japan		Avg patent value: 2.30 M
22	Toho Titanium Co., Ltd.	Kanagawa, Japan	Titanium,Industrial engineering,Metal, ...[+2]	Avg patent value: 2.23 M
23	Tsukishima Kikai Co., Ltd.	Tokyo, Japan	Fluidized bed,Manufacturing engineering,Portable water purification, ...[+2]	Avg patent value: 2.22 M
24	UBE Corp.	Tokyo, Japan	Synthetic rubber,Chemical engineering,Coal mining, ...[+2]	Avg patent value: 2.21 M
25	JX Nippon Oil & Energy Marine Service Corp.	Japan	Lubricant,Grease,p-Xylene, ...[+2]	Avg patent value: 2.20 M
26	Mitsubishi Materials Electronic Chemicals Co., Ltd.	Japan		Avg patent value: 2.14 M
27	M Technique Co., Ltd.	Japan		Avg patent value: 2.14 M
28	Toppan, Inc.	Tokyo, Japan	Publishing,Semiconductor,Electronics, ...[+2]	Avg patent value: 2.13 M
29	Hitachi Power Solutions Co., Ltd.	Osaka, Japan	Manufacturing engineering,Mechanical engineering,Microscopy, ...[+2]	Avg patent value: 2.10 M
30	Micronics Japan Co., Ltd.	Tokyo, Japan	Semiconductor,Probe card,Electronic component, ...[+2]	Avg patent value: 2.07 M
31	JSR Corp.	Tokyo, Japan	Synthetic rubber,Natural rubber,Elastomer, ...[+2]	Avg patent value: 1.96 M
32	Kobelco Construction Machinery Co. Ltd.	Tokyo, Japan	Excavator,Heavy equipment,Manufacturing engineering, ...[+2]	Avg patent value: 1.92 M
33	JFE Mineral Co., Ltd.	Tokyo, Japan	Slag,Ferroalloy,Silicone, ...[+2]	Avg patent value: 1.90 M
34	Asahi Kasei Chemicals Corp.	Tokyo, Japan	Chemical engineering,Ion-exchange membranes,Membrane, ...[+2]	Avg patent value: 1.88 M
35	Taisei Plas Co. Ltd.	Japan		Avg patent value: 1.85 M
36	Renesas Electronics Corp.	Tokyo, Japan	Semiconductor,Microcontroller,Electronics, ...[+2]	Avg patent value: 1.81 M
37	Maxim Japan Co., Ltd.	Japan	Shopping mall	Avg patent value: 1.79 M
38	Showa Denko K.K.	Chiba, Japan	Graphite,Materials science,Nanomaterials, ...[+2]	Avg patent value: 1.78 M
39	Nisshinbo Textile Inc.	Tokyo, Japan	Yarn,Fiber,Textile (markup language), ...[+1]	Avg patent value: 1.78 M
40	Semiconductor Energy Laboratory Co., Ltd.	Kanagawa, Japan	Semiconductor,Transistor,Semiconductor device, ...[+2]	Avg patent value: 1.75 M
41	Denso Wave, Inc.	Aichi, Japan	Industrial robot,Software,Public transport, ...[+2]	Avg patent value: 1.75 M
42	Nikon Corp.	Tokyo, Japan	Microscope,Photography,Motion capture, ...[+2]	Avg patent value: 1.73 M
43	Kureha Corp.	Hokkaido, Japan	Chemical engineering,Polyvinylidene fluoride,Wallpaper, ...[+2]	Avg patent value: 1.67 M
44	Mitsubishi Chemical Engineering Corp.	Tokyo, Japan	Construction engineering,Chemical engineering	Avg patent value: 1.66 M
45	TOKYO OHKA KOGYO CO., LTD.	Kanagawa, Japan	Photoresist,Semiconductor,Petrochemical, ...[+2]	Avg patent value: 1.66 M
46	Evonik Degussa Japan Co., Ltd.	Tokyo, Japan		Avg patent value: 1.62 M
47	Sumitomo (S.H.I.) Construction Machinery Co., Ltd.	Chiba, Japan	Excavator,Mechanical engineering,Manufacturing engineering	Avg patent value: 1.60 M
48	ADVICS Co., Ltd.	Aichi, Japan	Anti-lock braking system,Brake,Automotive engineering, ...[+2]	Avg patent value: 1.59 M
49	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	Avg patent value: 1.58 M
50	SMK Corp.	Tokyo, Japan	Semiconductor,Electronics,Haptic technology, ...[+2]	Avg patent value: 1.56 M
51	Hitachi Construction Machinery Tierra Co., Ltd.	Osaka, Japan	Agricultural machinery,Manufacturing engineering,Mechanical engineering	Avg patent value: 1.55 M
52	Sumitomo Electric Toyama Co. Ltd.	Japan		Avg patent value: 1.55 M
53	Fuji Springs Co., Inc.	Hyogo, Japan	Forging,Deep drawing,Metal	Avg patent value: 1.53 M
54	Connexx Systems Corp.	Kyoto, Japan	Lithium-ion battery	Avg patent value: 1.53 M
55	Yuasa Co., Ltd.	Hokkaido, Japan	Software development,Software,Accounting	Avg patent value: 1.51 M
56	Japan Storage Battery Co., Ltd.	Kyoto, Japan	Electronics	Avg patent value: 1.51 M
57	Terumo Corp.	Tokyo, Japan	Health care,Blood management,Syringe, ...[+2]	Avg patent value: 1.50 M
58	IHI Power Systems Co., Ltd.	Tokyo, Japan	Turbine,Gas engine,Manufacturing engineering, ...[+2]	Avg patent value: 1.48 M
59	Sintokogio Ltd.	Aichi, Japan	Foundry,Abrasive,Manufacturing engineering, ...[+2]	Avg patent value: 1.47 M
60	Dainichiseika Color & Chemicals Mfg. Co., Ltd.	Tokyo, Japan	Pigment,Chemical engineering,Polymer, ...[+2]	Avg patent value: 1.44 M
61	Kubota Corp.	Osaka, Japan	Tractor,Manufacturing engineering,Combine harvester, ...[+2]	Avg patent value: 1.43 M
62	JTEKT Corp.	Osaka, Japan	Power steering,Automotive engineering,Steering system, ...[+2]	Avg patent value: 1.42 M
63	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Avg patent value: 1.39 M
64	Nippon Carbon Co., Ltd.	Tokyo, Japan	Graphite,Industrial engineering,3D printing, ...[+2]	Avg patent value: 1.37 M
65	Kojima Industries Corp.	Gifu, Japan	Metal	Avg patent value: 1.37 M
66	Nippon Electric Glass Co., Ltd.	Shiga, Japan	Glass fiber,Glazing,Computer hardware, ...[+2]	Avg patent value: 1.36 M
67	Toho Pharmaceutical Co., Ltd.	Tokyo, Japan	Medical equipment,Drug,Medicine, ...[+2]	Avg patent value: 1.36 M
68	Hitachi Astemo Ltd.	Japan	Public transport,Automotive engineering	Avg patent value: 1.36 M
69	Citizen Watch Co., Ltd.	Tokyo, Japan	Quartz,Semiconductor,Electronics, ...[+2]	Avg patent value: 1.31 M
70	Asahi Kasei Corp.	Tokyo, Japan	Chemical engineering,Petrochemical,Fertilizer, ...[+2]	Avg patent value: 1.30 M
71	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	Avg patent value: 1.30 M
72	Yamamoto Kogaku Co. Ltd.	Japan	Ammunition,sports equipment,Pleasure	Avg patent value: 1.29 M
73	DKS Co., Ltd.	Kyoto, Japan	Chemical engineering,Coating,Industrial engineering, ...[+2]	Avg patent value: 1.28 M
74	JM Energy Corp.	Yamanashi, Japan	Supercapacitor,Lithium-ion capacitor,Renewable energy, ...[+1]	Avg patent value: 1.28 M
75	Toyo Aluminium KK	Osaka, Japan	Metal,Solar cell,Aluminium, ...[+2]	Avg patent value: 1.28 M
76	ISHIHARA SANGYO KAISHA LTD.	Osaka, Japan	Titanium dioxide,Agrochemical,Chemical engineering, ...[+2]	Avg patent value: 1.26 M
77	Mitsubishi Motors Corp.	Tokyo, Japan	Sport utility vehicle,Automotive engineering,Electric vehicle, ...[+2]	Avg patent value: 1.25 M
78	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	Avg patent value: 1.22 M
79	Dowa Electronics Materials Co., Ltd.	Tokyo, Japan	Electronics,Semiconductor,Mining engineering, ...[+2]	Avg patent value: 1.20 M
80	Nabtesco Corp.	Tokyo, Japan	Robotics,Manufacturing engineering,Industrial robot, ...[+2]	Avg patent value: 1.19 M
81	Nippon Power Graphite Co. Ltd.	Tokyo, Japan	Graphite,Electronics,Lithium-ion battery, ...[+2]	Avg patent value: 1.16 M
82	Mitsubishi Materials Corp.	Tokyo, Japan	Cement,Alloy,Polycrystalline silicon, ...[+2]	Avg patent value: 1.15 M
83	Mitsubishi Materials Techno Corp.	Japan		Avg patent value: 1.15 M
84	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Avg patent value: 1.15 M
85	ITOCHU Corp.	Tokyo, Japan	Metal,Textile,Food resource, ...[+2]	Avg patent value: 1.15 M
86	Yokogawa Electric Corp.	Tokyo, Japan	Automation,Systems design,Programmable logic controller, ...[+2]	Avg patent value: 1.14 M
87	Hosiden Corp.	Osaka, Japan	Microphone,Bluetooth,Headphones, ...[+2]	Avg patent value: 1.14 M
88	Hitachi Metals, Ltd.	Chiba, Japan	Metal,Magnet,Telecommunications, ...[+2]	Avg patent value: 1.14 M
89	Canon Finetech Nisca, Inc.	Saitama, Japan	Microprinting,Computer vision	Avg patent value: 1.12 M
90	Nisca Corp.	Yamanashi, Japan	Photocopier,Computer hardware,Electronics, ...[+2]	Avg patent value: 1.12 M
91	Nippon Light Metal Co., Ltd.	Tokyo, Japan	Metal,Precious metal,Mining engineering, ...[+2]	Avg patent value: 1.10 M
92	Komatsu Ltd.	Tokyo, Japan	Environmental engineering,Construction engineering,Heavy equipment, ...[+2]	Avg patent value: 1.09 M
93	Nippon Zeon Co., Ltd.	Tokyo, Japan	Chemical engineering,Solid-state battery,Supercapacitor, ...[+1]	Avg patent value: 1.07 M
94	MTG Co., Ltd.	Aichi, Japan	Cosmetics,Drug,Health care, ...[+2]	Avg patent value: 1.07 M
95	Furukawa Electric Co., Ltd.	Tokyo, Japan	Optical fiber,Renewable energy,Optoelectronics, ...[+2]	Avg patent value: 1.04 M
96	The Japan Research Institute Ltd.	Tokyo, Japan	Knowledge engineering,Social environment,Systems integrator, ...[+2]	Avg patent value: 1.01 M
97	Tamagawa Seiki Co., Ltd.	Shiga, Japan	Motion system,Space industry,Control equipment, ...[+2]	Avg patent value: 1.00 M
98	Tamura Corp.	Tokyo, Japan	Electronic component,Soldering,Electronics, ...[+2]	Avg patent value: 1.00 M
99	Mitsumi Electric Co., Ltd.	Osaka, Japan	Semiconductor,Metal,Electronic component, ...[+2]	Avg patent value: 997,448
100	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	Avg patent value: 984,229