Top 50 Key Players companies in Caterpillar by Most Patent Filings in the Japan in 2022 – Discovery

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1	Komatsu Ltd.	Tokyo, Japan	Environmental engineering,Construction engineering,Heavy equipment, ...[+2]	Patent: 39
2	Bridgestone Corp.	Tokyo, Japan	Automotive engineering,sports equipment,Natural rubber, ...[+2]	Patent: 20
3	NKK Corp.	Tokyo, Japan	Natural resource management,Mining engineering	Patent: 17
4	Hitachi Construction Machinery Tierra Co., Ltd.	Osaka, Japan	Agricultural machinery,Manufacturing engineering,Mechanical engineering	Patent: 17
5	IHI Power Systems Co., Ltd.	Tokyo, Japan	Turbine,Gas engine,Manufacturing engineering, ...[+2]	Patent: 16
6	Iseki & Co., Ltd.	Tokyo, Japan	Combine harvester,Cutlery,Manufacturing engineering, ...[+2]	Patent: 13
7	Mitsubishi Kogyo KK	Japan		Patent: 11
8	Topy Industries, Ltd.	Tokyo, Japan	Alloy wheel,Robot,Automotive engineering, ...[+2]	Patent: 10
9	Honda Motor Co., Ltd.	Tokyo, Japan	Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2]	Patent: 7
10	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	Patent: 6
11	Kubota Corp.	Osaka, Japan	Tractor,Manufacturing engineering,Combine harvester, ...[+2]	Patent: 5
12	Hitachi Metals, Ltd.	Chiba, Japan	Metal,Magnet,Telecommunications, ...[+2]	Patent: 5
13	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 4
14	The Yokohama Rubber Co., Ltd.	Chiba, Japan	Automotive engineering,Radial tire,Tire manufacturing, ...[+2]	Patent: 4
15	Mitsubishi Cable Industries Ltd.	Tokyo, Japan	Fastener,Electronics,Environmental report, ...[+2]	Patent: 4
16	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Patent: 3
17	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	Patent: 3
18	Mitsubishi Materials Corp.	Tokyo, Japan	Cement,Alloy,Polycrystalline silicon, ...[+2]	Patent: 3
19	Kajima Corp.	Tokyo, Japan	Civil engineering,Construction engineering,Real estate development, ...[+2]	Patent: 3
20	Sumitomo Heavy Industries, Ltd.	Tokyo, Japan	Sewage treatment,Proton therapy,Cryocooler, ...[+2]	Patent: 3
21	SWCC Showa Holdings Co., Ltd.	Kanagawa, Japan	Electronics,Vibration control,System construction, ...[+2]	Patent: 3
22	Taihei Machinery Works, Ltd.	Aichi, Japan	Veneer,Manufacturing engineering,Finger joint	Patent: 3
23	Hitachi Cable Ltd.	Tokyo, Japan	Electronics,Metal,Optical fiber, ...[+2]	Patent: 3
24	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	Patent: 3
25	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	Patent: 3
26	Ohtsu Tire & Rubber Co. Ltd.	Osaka, Japan	Liquid crystal,Automotive engineering	Patent: 3
27	Mitsubishi Materials Techno Corp.	Japan		Patent: 3
28	FINE Co. Ltd.	Japan	Pharmacy,Drug,Medicine	Patent: 3
29	Kobe Steel, Ltd.	Hyogo, Japan	Welding,Electronics,Mining engineering, ...[+2]	Patent: 2
30	Sumitomo Chemical Co., Ltd.	Tokyo, Japan	Petrochemical,Agriculture,Pesticide, ...[+2]	Patent: 2
31	Furukawa Electric Co., Ltd.	Tokyo, Japan	Optical fiber,Renewable energy,Optoelectronics, ...[+2]	Patent: 2
32	Sumitomo Rubber Industries, Ltd.	Kyoto, Japan	Rubber material,Plastics engineering,Radial tire, ...[+2]	Patent: 2
33	Sintokogio Ltd.	Aichi, Japan	Foundry,Abrasive,Manufacturing engineering, ...[+2]	Patent: 2
34	Nishimatsu Construction Co., Ltd.	Tokyo, Japan	Civil engineering,Construction engineering,Architecture	Patent: 2
35	Sumitomo Wiring Systems Ltd.	Mie, Japan	High voltage,Electronics,Power steering, ...[+2]	Patent: 2
36	Sumitomo Metal Industries Ltd.	Osaka, Japan	Metal,Semiconductor,Casting, ...[+2]	Patent: 2
37	Art Japan Co., Ltd.	Tokyo, Japan	Telecommunications,Packaging engineering,Management methods, ...[+2]	Patent: 2
38	Taiyo Kogyo KK	Tokyo, Japan	Civil engineering,Membrane structure,Building-integrated photovoltaics, ...[+2]	Patent: 2
39	NPS Co., Ltd.	Akita, Japan	Reagent,Medicine	Patent: 2
40	Startechno Co. Ltd.	Japan		Patent: 2
41	Kptec Co. Ltd.	Japan		Patent: 2
42	Panasonic Intellectual Property Management Co. Ltd.	Osaka, Japan		Patent: 2
43	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	Patent: 1
44	Yamaha Motor Co., Ltd.	Shizuoka, Japan	Robotics,Industrial robot,Automotive engineering, ...[+2]	Patent: 1
45	Nippon Telegraph & Telephone Corp.	Tokyo, Japan	Telecommunications,Cloud database,Data center, ...[+2]	Patent: 1
46	JFE Holdings, Inc.	Tokyo, Japan	Materials science,Product design,Carbon steel, ...[+2]	Patent: 1
47	UBE Corp.	Tokyo, Japan	Synthetic rubber,Chemical engineering,Coal mining, ...[+2]	Patent: 1
48	Shin-Etsu Chemical Co., Ltd.	Tokyo, Japan	Silicone,Semiconductor,Chemical engineering, ...[+2]	Patent: 1
49	Oki Electric Industry Co., Ltd.	Tokyo, Japan	Telecommunications,Call centre,Software, ...[+2]	Patent: 1
50	Fujikura Ltd.	Tokyo, Japan	Mobile device,Optoelectronics,Optical fiber, ...[+2]	Patent: 1