Top 50 Key Players companies in NOx by Highest Patent Value in the Japan in 2019 – Discovery

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The NOx top 50 is Discovery PatSnap’ annual ranking of the top 50 Highest Patent Value NOx Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

1	Toshiba Mitsubishi-Electric Industrial Systems Corp.	Tokyo, Japan	Variable-frequency drive,Industrial engineering,DC motor, ...[+2]	Avg patent value: 4.03 M
2	Ebara Corp.	Tokyo, Japan	Vacuum pump,Manufacturing engineering,Turbine, ...[+2]	Avg patent value: 2.24 M
3	TOTO Ltd.	Fukuoka, Japan	Bathtub,Cistern,Sink (computing), ...[+2]	Avg patent value: 2.20 M
4	Tosoh Corp.	Tokyo, Japan	Petrochemical,Chemical engineering,Immunoprotein, ...[+2]	Avg patent value: 1.86 M
5	Nippon Sanso Holdings Corp.	Osaka, Japan	Industrial gas,Petroleum industry,Nitrogen, ...[+2]	Avg patent value: 1.74 M
6	Mitsubishi Heavy Industries Engine & Turbocharger Ltd.	Kanagawa, Japan	Turbocharger,Gasoline,Automotive engineering, ...[+2]	Avg patent value: 1.62 M
7	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	Avg patent value: 1.61 M
8	Central Glass Co., Ltd.	Tokyo, Japan	Glazing,Fine chemical,Chemical engineering, ...[+2]	Avg patent value: 1.54 M
9	Kobelco Construction Machinery Co. Ltd.	Tokyo, Japan	Excavator,Heavy equipment,Manufacturing engineering, ...[+2]	Avg patent value: 1.40 M
10	Hitachi Construction Machinery Tierra Co., Ltd.	Osaka, Japan	Agricultural machinery,Manufacturing engineering,Mechanical engineering	Avg patent value: 1.35 M
11	Komatsu Ltd.	Tokyo, Japan	Environmental engineering,Construction engineering,Heavy equipment, ...[+2]	Avg patent value: 1.30 M
12	Mitsubishi Power Ltd.	Kanagawa, Japan	Turbine,Control system,Renewable energy, ...[+2]	Avg patent value: 1.26 M
13	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Avg patent value: 1.23 M
14	Cataler Corp.	Shizuoka, Japan	Cisco Catalyst,Automotive engineering	Avg patent value: 1.21 M
15	Mitsubishi Hitachi Power Systems	Kanagawa, Japan	Control system	Avg patent value: 1.20 M
16	Kawasaki Heavy Industries Ltd.	Kyoto, Japan	Turbine,Mechanical engineering,Manufacturing engineering, ...[+2]	Avg patent value: 1.17 M
17	Nippon Sanso KK	Japan	Industrial gas,Chemical engineering,Liquid helium, ...[+2]	Avg patent value: 1.17 M
18	UD Trucks Corp.	Saitama, Japan	Truck,Automotive engineering	Avg patent value: 1.16 M
19	Sekisui Chemical Co., Ltd.	Osaka, Japan	Synthetic rubber,Industrial engineering,Polyvinyl chloride, ...[+2]	Avg patent value: 1.12 M
20	Daiichi Kigenso Kagaku Kogyo Co., Ltd.	Osaka, Japan	Refractory,Chemical engineering,Oxygen sensor, ...[+2]	Avg patent value: 1.11 M
21	Mitsubishi Kogyo KK	Japan		Avg patent value: 1.10 M
22	Taiyo Chikuro Industries Co., Ltd.	Fukuoka, Japan		Avg patent value: 1.03 M
23	Yamaha Motor Co., Ltd.	Shizuoka, Japan	Robotics,Industrial robot,Automotive engineering, ...[+2]	Avg patent value: 990,000
24	Daido Steel Co., Ltd.	Aichi, Japan	Magnet,Power transmission,Ferroalloy, ...[+2]	Avg patent value: 900,000
25	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Avg patent value: 850,000
26	Hitachi Zosen Corp.	Osaka, Japan	Mechanical engineering,Waste-to-energy,Environmental protection, ...[+2]	Avg patent value: 846,910
27	Tokyo Roki Co., Ltd.	Kanagawa, Japan	Fuel filter,Filter (aquarium),Gasoline, ...[+2]	Avg patent value: 841,773
28	Isuzu Motors Ltd.	Tokyo, Japan	Truck,Public transport,Diesel engine, ...[+2]	Avg patent value: 790,219
29	N.E. Chemcat Corp.	Tokyo, Japan	Cisco Catalyst,Chemical engineering,Automotive catalyst, ...[+2]	Avg patent value: 783,148
30	Kubota Corp.	Osaka, Japan	Tractor,Manufacturing engineering,Combine harvester, ...[+2]	Avg patent value: 743,375
31	Umicore Shokubai Japan Co. Ltd.	Aichi, Japan		Avg patent value: 741,625
32	Mitsui Mining & Smelting Co., Ltd.	Tokyo, Japan	Precious metal,Metal,Cathode material, ...[+2]	Avg patent value: 721,555
33	Suntory Beverage & Food Ltd.	Tokyo, Japan	Mineral water,Ethanol,Food industry, ...[+2]	Avg patent value: 720,000
34	Sundory Co. Ltd.	Japan		Avg patent value: 720,000
35	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	Avg patent value: 718,997
36	Tanaka Holdings Co. Ltd.	Tokyo, Japan	Precious metal,Mining engineering,Natural resource management, ...[+2]	Avg patent value: 665,666
37	IBIDEN Co., Ltd.	Gifu, Japan	Electronics,Semiconductor,Asphalt, ...[+2]	Avg patent value: 580,853
38	Chugai Co., Ltd.	Aichi, Japan	Automotive engineering,Electronic component,Textile	Avg patent value: 529,715
39	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Avg patent value: 519,491
40	Japan Engine Corp.	Hyogo, Japan	Marine engine,Automotive engineering,Shipbuilding, ...[+2]	Avg patent value: 435,625
41	DENSO Corp.	Aichi, Japan	Automotive engineering,Industrial robot,Programmable logic controller, ...[+2]	Avg patent value: 429,077
42	Toyota Industries Corp.	Aichi, Japan	Textile,Software,Automotive engineering, ...[+2]	Avg patent value: 422,387
43	Daicel Corp.	Chiba, Japan	Airbag,Chemical engineering,Cellulose acetate, ...[+2]	Avg patent value: 417,000
44	Yanmar Co., Ltd.	Osaka, Japan	Diesel engine,Electronics,Tractor, ...[+2]	Avg patent value: 408,700
45	InQs Co., Ltd.	Tokyo, Japan	Automation	Avg patent value: 380,000
46	Sumitomo Heavy Industries, Ltd.	Tokyo, Japan	Sewage treatment,Proton therapy,Cryocooler, ...[+2]	Avg patent value: 378,200
47	Toyota Central R&D Labs, Inc.	Aichi, Japan	Semiconductor,Power semiconductor device,System on a chip, ...[+2]	Avg patent value: 375,744
48	Chugai Ro Co., Ltd.	Osaka, Japan	Environmental consulting,Industrial engineering,Industrial furnace, ...[+2]	Avg patent value: 346,183
49	Hitachi Astemo Ltd.	Japan	Public transport,Automotive engineering	Avg patent value: 342,500
50	Rozai Kogyo Kaisha Ltd	Osaka, Japan	Heat resistance,Industrial furnace,Refrigeration	Avg patent value: 320,000