Top 50 Key Players companies in Wafer by Most Patent Citation in the Japan in 2019 – Discovery

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1	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		patent citation: 680
2	LINTEC Corp.	Tokyo, Japan	Adhesive materials,Industrial engineering,Pressure sensitive, ...[+2]	patent citation: 515
3	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	patent citation: 377
4	Showa Denko Materials Co., Ltd.	Tokyo, Japan	Semiconductor,Carbon product,Efficient energy use, ...[+2]	patent citation: 249
5	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	patent citation: 234
6	Advantest Corp.	Tokyo, Japan	Semiconductor,Mechanical engineering,Product design, ...[+2]	patent citation: 225
7	Tokyo Seimitsu Co., Ltd.	Tokyo, Japan	Semiconductor,Chemical-mechanical planarization,Electronic component, ...[+2]	patent citation: 211
8	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 203
9	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	patent citation: 194
10	Socionext, Inc.	Kyoto, Japan	Quality of experience,Semiconductor device fabrication,Semiconductor, ...[+2]	patent citation: 194
11	DISCO Corp.	Tokyo, Japan	Semiconductor,Manufacturing engineering,Industrial engineering, ...[+2]	patent citation: 192
12	Nitto Denko Corp.	Osaka, Japan	Semiconductor,Product design,Adhesive, ...[+2]	patent citation: 159
13	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	patent citation: 149
14	IBIDEN Co., Ltd.	Gifu, Japan	Electronics,Semiconductor,Asphalt, ...[+2]	patent citation: 135
15	Mitsui Chemistry Joint-stock Co.	Japan		patent citation: 129
16	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	patent citation: 122
17	Toyoda Gosei Co., Ltd.	Aichi, Japan	Optoelectronics,Airbag,Synthetic rubber, ...[+2]	patent citation: 120
18	Furukawa Electric Co., Ltd.	Tokyo, Japan	Optical fiber,Renewable energy,Optoelectronics, ...[+2]	patent citation: 107
19	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	patent citation: 103
20	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	patent citation: 92
21	Tokyo Electron Ltd.	Tokyo, Japan	Semiconductor,Power transmission,Flat panel display, ...[+2]	patent citation: 91
22	Minolta Co., Ltd.	Osaka, Japan	Autofocus,Optics,Photocopier, ...[+2]	patent citation: 83
23	Shinko Electric Industries Co., Ltd.	Nagano, Japan	Semiconductor,Packaging engineering,Integrated circuit, ...[+2]	patent citation: 80
24	Renesas Electronics Corp.	Tokyo, Japan	Semiconductor,Microcontroller,Electronics, ...[+2]	patent citation: 73
25	STARTUP KIOXIA Corp.	Tokyo, Japan	Computer hardware,Solid-state,Flash memory, ...[+2]	patent citation: 69
26	Fuji Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Microcomputer,Electronic component, ...[+2]	patent citation: 60
27	Fuji Electric FA Components & SYstems Co., Ltd.	Tokyo, Japan	Semiconductor,Industrial engineering,Smart grid, ...[+2]	patent citation: 60
28	Casio Electronics Manufacturing Co., Ltd.	Saitama, Japan		patent citation: 58
29	NEC Electronics Corp.	Kanagawa, Japan	Electronics,Computer hardware,Semiconductor, ...[+2]	patent citation: 38
30	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	patent citation: 34
31	Nichia Corp.	Tokushima, Japan	Laser diode,Semiconductor,LED lamp, ...[+2]	patent citation: 31
32	Toyo Chemical Co., Ltd.	Kagawa, Japan	Shipyard,BARGE,Plastic film, ...[+2]	patent citation: 24
33	Nikon Corp.	Tokyo, Japan	Microscope,Photography,Motion capture, ...[+2]	patent citation: 22
34	Kyocera Corp.	Kyoto, Japan	Semiconductor,Electronics,Telecommunications, ...[+2]	patent citation: 21
35	Hitachi Kokusai Electric, Inc.	Saga, Japan	Semiconductor,Electronics,Thin film, ...[+2]	patent citation: 21
36	Shin-Etsu Chemical Co., Ltd.	Tokyo, Japan	Silicone,Semiconductor,Chemical engineering, ...[+2]	patent citation: 20
37	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	patent citation: 19
38	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	patent citation: 19
39	KAGA FEI Co., Ltd.	Kanagawa, Japan	Semiconductor,Semiconductor device,Electronic component, ...[+1]	patent citation: 19
40	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	patent citation: 14
41	Sumitomo Bakelite Co., Ltd.	Tokyo, Japan	Semiconductor,Materials science,Bakelite, ...[+2]	patent citation: 14
42	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	patent citation: 14
43	Kuraray Co., Ltd.	Tokyo, Japan	Synthetic rubber,Isoprene,Vinyl acetate, ...[+2]	patent citation: 13
44	Nissin Electric Co., Ltd.	Kyoto, Japan	Electronics,Life Cycle Engineering,Transformer, ...[+2]	patent citation: 13
45	Sekisui Chemical Co., Ltd.	Osaka, Japan	Synthetic rubber,Industrial engineering,Polyvinyl chloride, ...[+2]	patent citation: 11
46	Yamaha Corp.	Shizuoka, Japan	Audio equipment,Gasoline,Loudspeaker, ...[+2]	patent citation: 10
47	Elpida Memory, Inc.	Tokyo, Japan	Semiconductor,Dynamic random-access memory,Resistor, ...[+2]	patent citation: 10
48	Shanken Electric Co. Ltd.	Japan		patent citation: 10
49	System Giken Co. Ltd.	Japan		patent citation: 10
50	Toshiba Microelectronics Corp.	Kanagawa, Japan		patent citation: 10