Top 50 Key Players companies in Catalytic converter by Most Patent Citation in the Japan in 2022 – Discovery

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The Catalytic converter top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Citation Catalytic converter Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2022, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

1	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	patent citation: 5,556
2	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	patent citation: 4,828
3	Honda Motor Co., Ltd.	Tokyo, Japan	Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2]	patent citation: 3,594
4	NGK Insulators, Ltd.	Aichi, Japan	Beryllium copper,Industrial engineering,Pottery, ...[+2]	patent citation: 1,281
5	Mazda Motor Corp.	Kanagawa, Japan	Automotive engineering,Reciprocating engine,Manual transmission, ...[+2]	patent citation: 1,270
6	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	patent citation: 1,247
7	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	patent citation: 908
8	Mitsubishi Motors Corp.	Tokyo, Japan	Sport utility vehicle,Automotive engineering,Electric vehicle, ...[+2]	patent citation: 808
9	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		patent citation: 708
10	IBIDEN Co., Ltd.	Gifu, Japan	Electronics,Semiconductor,Asphalt, ...[+2]	patent citation: 579
11	Subaru Corp.	Tokyo, Japan	Automotive engineering,Public transport,Aerospace, ...[+2]	patent citation: 479
12	Daihatsu Motor Co., Ltd.	Osaka, Japan	Automotive engineering,Proton exchange membrane fuel cell,Electric bus, ...[+2]	patent citation: 461
13	DENSO Corp.	Aichi, Japan	Automotive engineering,Industrial robot,Programmable logic controller, ...[+2]	patent citation: 347
14	Sango Co. Ltd.	Aichi, Japan	Exhaust manifold,Catalytic converter,Automotive engineering, ...[+2]	patent citation: 270
15	NICHIAS Corp.	Tokyo, Japan	Thermal insulation,Industrial engineering,Gasket, ...[+2]	patent citation: 259
16	Yamaha Motor Co., Ltd.	Shizuoka, Japan	Robotics,Industrial robot,Automotive engineering, ...[+2]	patent citation: 245
17	UD Trucks Corp.	Saitama, Japan	Truck,Automotive engineering	patent citation: 235
18	Toyo Kogyo Co. Ltd.	Japan	Metal fabrication,Automation,Manufacturing engineering, ...[+2]	patent citation: 217
19	Suzuki Co., Ltd.	Nagano, Japan	Semiconductor,Electronics,Electronic component, ...[+2]	patent citation: 213
20	Isuzu Motors Ltd.	Tokyo, Japan	Truck,Public transport,Diesel engine, ...[+2]	patent citation: 196
21	Mitsubishi Fuso Truck & Bus Corp.	Kanagawa, Japan	Truck,Automotive engineering,Chassis	patent citation: 157
22	NIPPON STEEL Stainless Steel Corp.	Tokyo, Japan	Mill,Metal,Mining engineering, ...[+1]	patent citation: 153
23	Shimadzu Corp.	Kyoto, Japan	Molecular diagnostics,Microbiology Test,Cockpit display system, ...[+2]	patent citation: 150
24	Heraeus Electro Nite Japan Ltd.	Japan		patent citation: 132
25	Panasonic Holdings Corp.	Osaka, Japan	Semiconductor,Industrial engineering,Electronics, ...[+2]	patent citation: 123
26	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	patent citation: 123
27	Hitachi Astemo Ltd.	Japan	Public transport,Automotive engineering	patent citation: 114
28	Cataler Corp.	Shizuoka, Japan	Cisco Catalyst,Automotive engineering	patent citation: 110
29	Hitachi Car Engineering Co., Ltd.	Japan	Automotive engineering	patent citation: 100
30	Yokogawa Electric Corp.	Tokyo, Japan	Automation,Systems design,Programmable logic controller, ...[+2]	patent citation: 95
31	NGK SPARK PLUG CO., LTD.	Aichi, Japan	Spark plug,Automotive engineering,Ceramic art, ...[+2]	patent citation: 91
32	Chuo Spring Co., Ltd.	Aichi, Japan	Automotive engineering,Airplane,Chassis, ...[+2]	patent citation: 83
33	Yutaka Giken Co., Ltd.	Shizuoka, Japan	Braking system,Catalytic converter,Automotive engineering, ...[+2]	patent citation: 67
34	Hino Motors, Ltd.	Tokyo, Japan	Truck,Public transport,Gasoline, ...[+2]	patent citation: 63
35	Tokyo Roki Co., Ltd.	Kanagawa, Japan	Fuel filter,Filter (aquarium),Gasoline, ...[+2]	patent citation: 63
36	Aisin Takaoka Co., Ltd.	Aichi, Japan	Metal,Casting,Machining	patent citation: 63
37	Nippon Reinz Co., Ltd.	Kanagawa, Japan	Shields,Gasket,Diesel particulate filter, ...[+1]	patent citation: 60
38	Sanshin Kogyo Co., Ltd.	Fukushima, Japan	Hot air oven,Automation,Manufacturing engineering, ...[+2]	patent citation: 59
39	Ict Co. Ltd.	Osaka, Japan	Information system	patent citation: 59
40	Nanox Co. Ltd.	Japan	Computer hardware,Electronics	patent citation: 58
41	Futaba Kogyo Co. Ltd.	Hiroshima, Japan	Automotive engineering	patent citation: 53
42	Mitsubishi Plastics, Inc.	Tokyo, Japan	Bottle,Chemical engineering,Plastic film, ...[+2]	patent citation: 51
43	Kawasaki Steel Corp.	Japan		patent citation: 49
44	Sankei Giken Kogyo Co. Ltd.	Tokyo, Japan	Metal,Automation,Manufacturing engineering, ...[+2]	patent citation: 47
45	Showa Aircraft Industry Co., Ltd.	Tokyo, Japan	Aerospace,Aviation,Fireplace, ...[+2]	patent citation: 42
46	Mitsubishi Kogyo KK	Japan		patent citation: 42
47	Komatsu Ltd.	Tokyo, Japan	Environmental engineering,Construction engineering,Heavy equipment, ...[+2]	patent citation: 38
48	PIOLAX, Inc.	Kanagawa, Japan	Fastener,Threaded fastener,Industrial engineering, ...[+2]	patent citation: 34
49	Aisan Industry Co., Ltd.	Aichi, Japan	Fuel pump,Fuel injection,Throttle, ...[+2]	patent citation: 31
50	Nippon Steel Nisshin Co., Ltd.	Tokyo, Japan	Construction engineering	patent citation: 31