Top 50 Key Players companies in Wafer by Most Patent Filings in the Japan in 2021 – Discovery

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1	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Patent: 70
2	LINTEC Corp.	Tokyo, Japan	Adhesive materials,Industrial engineering,Pressure sensitive, ...[+2]	Patent: 38
3	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 29
4	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	Patent: 27
5	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 25
6	Furukawa Electric Co., Ltd.	Tokyo, Japan	Optical fiber,Renewable energy,Optoelectronics, ...[+2]	Patent: 24
7	Nitto Denko Corp.	Osaka, Japan	Semiconductor,Product design,Adhesive, ...[+2]	Patent: 23
8	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	Patent: 21
9	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Patent: 21
10	Advantest Corp.	Tokyo, Japan	Semiconductor,Mechanical engineering,Product design, ...[+2]	Patent: 21
11	Renesas Electronics Corp.	Tokyo, Japan	Semiconductor,Microcontroller,Electronics, ...[+2]	Patent: 20
12	Tokyo Seimitsu Co., Ltd.	Tokyo, Japan	Semiconductor,Chemical-mechanical planarization,Electronic component, ...[+2]	Patent: 18
13	DISCO Corp.	Tokyo, Japan	Semiconductor,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 17
14	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	Patent: 16
15	Showa Denko Materials Co., Ltd.	Tokyo, Japan	Semiconductor,Carbon product,Efficient energy use, ...[+2]	Patent: 16
16	Tokyo Electron Ltd.	Tokyo, Japan	Semiconductor,Power transmission,Flat panel display, ...[+2]	Patent: 13
17	Fuji Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Microcomputer,Electronic component, ...[+2]	Patent: 12
18	Fuji Electric FA Components & SYstems Co., Ltd.	Tokyo, Japan	Semiconductor,Industrial engineering,Smart grid, ...[+2]	Patent: 12
19	Shinko Electric Industries Co., Ltd.	Nagano, Japan	Semiconductor,Packaging engineering,Integrated circuit, ...[+2]	Patent: 11
20	Shin-Etsu Chemical Co., Ltd.	Tokyo, Japan	Silicone,Semiconductor,Chemical engineering, ...[+2]	Patent: 9
21	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	Patent: 8
22	Nichia Corp.	Tokushima, Japan	Laser diode,Semiconductor,LED lamp, ...[+2]	Patent: 8
23	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	Patent: 8
24	NEC Electronics Corp.	Kanagawa, Japan	Electronics,Computer hardware,Semiconductor, ...[+2]	Patent: 8
25	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	Patent: 7
26	Toyoda Gosei Co., Ltd.	Aichi, Japan	Optoelectronics,Airbag,Synthetic rubber, ...[+2]	Patent: 7
27	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Patent: 7
28	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	Patent: 6
29	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	Patent: 6
30	Yamaha Corp.	Shizuoka, Japan	Audio equipment,Gasoline,Loudspeaker, ...[+2]	Patent: 5
31	Socionext, Inc.	Kyoto, Japan	Quality of experience,Semiconductor device fabrication,Semiconductor, ...[+2]	Patent: 5
32	ASM Japan KK	Tokyo, Japan	Human resources	Patent: 5
33	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Patent: 4
34	Gunze Ltd.	Osaka, Japan	Textile,Suture (anatomy),Semiconductor, ...[+2]	Patent: 4
35	Sumitomo Bakelite Co., Ltd.	Tokyo, Japan	Semiconductor,Materials science,Bakelite, ...[+2]	Patent: 4
36	Naoetsu Electronics Co., Ltd.	Niigata, Japan	Electronics,Wafer,Semiconductor	Patent: 4
37	Shin-Etsu Handotai Co., Ltd.	Tokyo, Japan	Semiconductor,Ingot,Wafer, ...[+2]	Patent: 4
38	STARTUP Fasford Technology Co., Ltd.	Tokyo, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	Patent: 4
39	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	Patent: 3
40	Kyocera Corp.	Kyoto, Japan	Semiconductor,Electronics,Telecommunications, ...[+2]	Patent: 3
41	Sekisui Chemical Co., Ltd.	Osaka, Japan	Synthetic rubber,Industrial engineering,Polyvinyl chloride, ...[+2]	Patent: 3
42	Canon Marketing Japan, Inc.	Tokyo, Japan	Power transmission,Electronics,Software, ...[+2]	Patent: 3
43	FUJIFILM Corp.	Tokyo, Japan	Photography,Medical imaging,Computer hardware, ...[+2]	Patent: 3
44	Hitachi Kokusai Electric, Inc.	Saga, Japan	Semiconductor,Electronics,Thin film, ...[+2]	Patent: 3
45	STARTUP KIOXIA Corp.	Tokyo, Japan	Computer hardware,Solid-state,Flash memory, ...[+2]	Patent: 3
46	Fujitsu Semiconductor Ltd.	Kanagawa, Japan	Semiconductor,Electronic component,Microcontroller, ...[+2]	Patent: 3
47	Mitsui Chemistry Joint-stock Co.	Japan		Patent: 3
48	DiaPlus Film, Inc.	Aichi, Japan	Chloride,Plastic film,Coating, ...[+1]	Patent: 3
49	Casio Electronics Manufacturing Co., Ltd.	Saitama, Japan		Patent: 3
50	Nikon Corp.	Tokyo, Japan	Microscope,Photography,Motion capture, ...[+2]	Patent: 2