Top 100 Key Players companies in Memory by Most Patent Citation in the Japan in 2018 – Discovery

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1	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 82,662
2	Renesas Electronics Corp.	Tokyo, Japan	Semiconductor,Microcontroller,Electronics, ...[+2]	patent citation: 39,755
3	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		patent citation: 35,658
4	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	patent citation: 28,585
5	STARTUP KIOXIA Corp.	Tokyo, Japan	Computer hardware,Solid-state,Flash memory, ...[+2]	patent citation: 23,050
6	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	patent citation: 18,650
7	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	patent citation: 13,770
8	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	patent citation: 12,023
9	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	patent citation: 9,999
10	NEC Electronics Corp.	Kanagawa, Japan	Electronics,Computer hardware,Semiconductor, ...[+2]	patent citation: 9,288
11	Socionext, Inc.	Kyoto, Japan	Quality of experience,Semiconductor device fabrication,Semiconductor, ...[+2]	patent citation: 8,027
12	Elpida Memory, Inc.	Tokyo, Japan	Semiconductor,Dynamic random-access memory,Resistor, ...[+2]	patent citation: 4,542
13	Fujitsu Semiconductor Ltd.	Kanagawa, Japan	Semiconductor,Electronic component,Microcontroller, ...[+2]	patent citation: 4,528
14	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	patent citation: 3,844
15	Semiconductor Energy Laboratory Co., Ltd.	Kanagawa, Japan	Semiconductor,Transistor,Semiconductor device, ...[+2]	patent citation: 2,278
16	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	patent citation: 1,629
17	Hitachi Ulsi Systems Co. Ltd.	Tokyo, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	patent citation: 1,602
18	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	patent citation: 1,465
19	Toshiba Microelectronics Corp.	Kanagawa, Japan		patent citation: 1,306
20	Advantest Corp.	Tokyo, Japan	Semiconductor,Mechanical engineering,Product design, ...[+2]	patent citation: 1,297
21	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	patent citation: 813
22	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	patent citation: 763
23	M-System Co., Ltd.	Osaka, Japan	Tower,Programmable logic controller,Industry 4.0, ...[+2]	patent citation: 708
24	Novuton Technology Corp. Japan	Kyoto, Japan	Semiconductor,Laser diode,Integrated circuit, ...[+2]	patent citation: 699
25	Akita Electronic Systems Co., Ltd.	Akita, Japan	Semiconductor,Enterprise software,Software, ...[+2]	patent citation: 631
26	Yamaha Corp.	Shizuoka, Japan	Audio equipment,Gasoline,Loudspeaker, ...[+2]	patent citation: 553
27	Casio Electronics Manufacturing Co., Ltd.	Saitama, Japan		patent citation: 540
28	FUJIFILM Corp.	Tokyo, Japan	Photography,Medical imaging,Computer hardware, ...[+2]	patent citation: 518
29	Hitachi Keiyo Engineering Systems Ltd.	Chiba, Japan	Software,Information technology consulting,Systems design	patent citation: 344
30	Meidensha Corp.	Tokyo, Japan	Electrical equipment,Social infrastructure,Electronics, ...[+2]	patent citation: 339
31	Foundation for Advancement of International Science	Ibaraki, Japan		patent citation: 311
32	Minolta Co., Ltd.	Osaka, Japan	Autofocus,Optics,Photocopier, ...[+2]	patent citation: 299
33	Tokyo Electron Device Ltd.	Kanagawa, Japan	Semiconductor,Electronic component,Network security, ...[+2]	patent citation: 291
34	AGC	Tokyo, Japan	Fluorine,Glazing,Chemical engineering, ...[+2]	patent citation: 240
35	Asahi Fiber Glass Co., Ltd.	Tokyo, Japan	Glass wool,Thermal insulation,Fiber, ...[+2]	patent citation: 240
36	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	patent citation: 227
37	Renesas System Design Co., Ltd.	Tokyo, Japan	Semiconductor,Semiconductor device,Electronic component, ...[+1]	patent citation: 200
38	Toshiba Tec Corp.	Tokyo, Japan	Computer hardware,Peripheral,Electronics, ...[+2]	patent citation: 169
39	Tokyo Electron Ltd.	Tokyo, Japan	Semiconductor,Power transmission,Flat panel display, ...[+2]	patent citation: 165
40	Showa Denko Materials Co., Ltd.	Tokyo, Japan	Semiconductor,Carbon product,Efficient energy use, ...[+2]	patent citation: 156
41	Sony Semiconductor Solutions Corp.	Kanagawa, Japan	Semiconductor,Image sensor,CMOS sensor, ...[+2]	patent citation: 145
42	TDK Corp.	Tokyo, Japan	Electronic component,Ceramic capacitor,Electronics, ...[+2]	patent citation: 142
43	Toyota Central R&D Labs, Inc.	Aichi, Japan	Semiconductor,Power semiconductor device,System on a chip, ...[+2]	patent citation: 141
44	Nikon Corp.	Tokyo, Japan	Microscope,Photography,Motion capture, ...[+2]	patent citation: 137
45	Citizen Watch Co., Ltd.	Tokyo, Japan	Quartz,Semiconductor,Electronics, ...[+2]	patent citation: 126
46	MegaChips Corp.	Osaka, Japan	Semiconductor,Software,Electronic visual display, ...[+2]	patent citation: 118
47	Advanced Industrial Science & Technology	Tokyo, Japan	Graphene,Association (object-oriented programming)	patent citation: 109
48	Iwate Toshiba Electronics Co., Ltd.	Japan		patent citation: 105
49	Kobe Steel, Ltd.	Hyogo, Japan	Welding,Electronics,Mining engineering, ...[+2]	patent citation: 99
50	OMRON Corp.	Kyoto, Japan	Automation,Electronics,Health care, ...[+2]	patent citation: 97
51	Paramount Bed Co., Ltd.	Tokyo, Japan	Medical equipment,Long-term care,Sales management, ...[+2]	patent citation: 97
52	Star Micronics Co., Ltd.	Shizuoka, Japan	Peripheral,Digital printing,Automation, ...[+2]	patent citation: 96
53	Unisis Corp.	Japan	Medical equipment,Medicine,Biopsy	patent citation: 96
54	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	patent citation: 94
55	Yamaichi Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Electronics,Test solution, ...[+2]	patent citation: 90
56	Yokogawa Electric Corp.	Tokyo, Japan	Automation,Systems design,Programmable logic controller, ...[+2]	patent citation: 82
57	Japan Display West, Inc.	Japan		patent citation: 79
58	Toppan, Inc.	Tokyo, Japan	Publishing,Semiconductor,Electronics, ...[+2]	patent citation: 70
59	OKI Micro Design Co. Ltd.	Japan		patent citation: 68
60	Hashimoto Corp.	Ehime, Japan	Sales management,Automotive engineering	patent citation: 66
61	Fujitsu Semiconductor Memory Solution Ltd.	Kanagawa, Japan	Semiconductor memory,Non-volatile memory,Random access memory, ...[+2]	patent citation: 63
62	Mitsubishi Materials Corp.	Tokyo, Japan	Cement,Alloy,Polycrystalline silicon, ...[+2]	patent citation: 61
63	Mitsubishi Materials Techno Corp.	Japan		patent citation: 61
64	Hitachi Solutions Technology Ltd.	Japan		patent citation: 61
65	Pioneer Corp.	Fukushima, Japan	Navigation system,Laserdisc player,Electronic product, ...[+2]	patent citation: 55
66	Renesas Semiconductor Package & Test Solutions Co., Ltd.	Japan	Power transmission,Electronics,Semiconductor package	patent citation: 55
67	Hitachi Kokusai Electric, Inc.	Saga, Japan	Semiconductor,Electronics,Thin film, ...[+2]	patent citation: 51
68	Renesas Design Corp.	Japan		patent citation: 45
69	Victor Company of Japan Ltd.	Kanagawa, Japan	Electronics,Software,High-definition television, ...[+2]	patent citation: 44
70	Samsung Yokohama Research Institute Co. Ltd.	Japan		patent citation: 44
71	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	patent citation: 41
72	Brother Industries, Ltd.	Aichi, Japan	Computer hardware,Electronics,Digital printing, ...[+2]	patent citation: 41
73	Dai Nippon Printing Co., Ltd.	Tokyo, Japan	Electronics,Publishing,Publication, ...[+2]	patent citation: 40
74	Dainippon Printing Co. Ltd.	Japan		patent citation: 40
75	Toshiba Storage Device Corp.	Tokyo, Japan	Peripheral,Electronics,Computer hardware	patent citation: 39
76	Fuji Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Microcomputer,Electronic component, ...[+2]	patent citation: 37
77	Seiko Precision, Inc.	Chiba, Japan		patent citation: 37
78	Fuji Electric FA Components & SYstems Co., Ltd.	Tokyo, Japan	Semiconductor,Industrial engineering,Smart grid, ...[+2]	patent citation: 37
79	Renesas Semiconductor Manufacturing Co., Ltd.	Osaka, Japan	Semiconductor,Electronic component	patent citation: 37
80	FANUC Corp.	Yamanashi, Japan	Robotics,Robot,Automation, ...[+2]	patent citation: 35
81	NEC Engineering Ltd.	Tokyo, Japan		patent citation: 35
82	Nippon Precision Circuits, Inc.	Tokyo, Japan	Semiconductor,Electronic component	patent citation: 35
83	Hino Motors, Ltd.	Tokyo, Japan	Truck,Public transport,Gasoline, ...[+2]	patent citation: 31
84	GENUSION, Inc.	Hyogo, Japan	Semiconductor,Semiconductor memory,Computer hardware, ...[+2]	patent citation: 30
85	Kyoraku Sangyo KK	Aichi, Japan	Intellectual property,Aseptic processing,Active packaging, ...[+2]	patent citation: 30
86	Showa Denko K.K.	Chiba, Japan	Graphite,Materials science,Nanomaterials, ...[+2]	patent citation: 28
87	TEAC Corp.	Tokyo, Japan	Audio equipment,Electronics,Peripheral, ...[+2]	patent citation: 28
88	Spansion Japan Ltd.	Kanagawa, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	patent citation: 28
89	Asahi Kasei Corp.	Tokyo, Japan	Chemical engineering,Petrochemical,Fertilizer, ...[+2]	patent citation: 27
90	Alpine Electronics, Inc.	Tokyo, Japan	Electronics,Audio equipment,CD player, ...[+2]	patent citation: 27
91	Zentel Japan Corp.	Tokyo, Japan	Semiconductor,Graphics processing unit,Information technology management, ...[+1]	patent citation: 27
92	Nippon Columbia Co., Ltd.	Tokyo, Japan	Software,Advertising,Music, ...[+2]	patent citation: 25
93	Canon Anelva Corp.	Tokyo, Japan	Semiconductor,Electronic component,Chemical vapor deposition, ...[+2]	patent citation: 25
94	Nidec Sankyo Corp.	Shiga, Japan	Card reader,Core component,Image processing	patent citation: 23
95	NSCore, Inc.	Fukuoka, Japan	Intellectual property,Semiconductor,Non-volatile memory, ...[+2]	patent citation: 21
96	SSD Co.	Osaka, Japan	Asset management	patent citation: 21
97	NEC Computertechno Ltd.	Japan		patent citation: 20
98	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	patent citation: 19
99	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	patent citation: 19
100	Asia Electronic Inc.	Tokyo, Japan	Semiconductor,Electronic component	patent citation: 19