Top 100 Key Players companies in Memory by Most Patent Filings in the Japan in 2022 – Discovery

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1	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 10,263
2	STARTUP KIOXIA Corp.	Tokyo, Japan	Computer hardware,Solid-state,Flash memory, ...[+2]	Patent: 5,860
3	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Patent: 4,869
4	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Patent: 4,031
5	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	Patent: 3,954
6	Renesas Electronics Corp.	Tokyo, Japan	Semiconductor,Microcontroller,Electronics, ...[+2]	Patent: 3,350
7	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	Patent: 3,023
8	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	Patent: 1,794
9	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 1,599
10	Socionext, Inc.	Kyoto, Japan	Quality of experience,Semiconductor device fabrication,Semiconductor, ...[+2]	Patent: 1,209
11	NEC Electronics Corp.	Kanagawa, Japan	Electronics,Computer hardware,Semiconductor, ...[+2]	Patent: 934
12	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	Patent: 925
13	Elpida Memory, Inc.	Tokyo, Japan	Semiconductor,Dynamic random-access memory,Resistor, ...[+2]	Patent: 681
14	Fujitsu Semiconductor Ltd.	Kanagawa, Japan	Semiconductor,Electronic component,Microcontroller, ...[+2]	Patent: 632
15	Semiconductor Energy Laboratory Co., Ltd.	Kanagawa, Japan	Semiconductor,Transistor,Semiconductor device, ...[+2]	Patent: 562
16	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	Patent: 522
17	Toshiba Microelectronics Corp.	Kanagawa, Japan		Patent: 502
18	Hitachi Ulsi Systems Co. Ltd.	Tokyo, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	Patent: 310
19	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	Patent: 285
20	Advantest Corp.	Tokyo, Japan	Semiconductor,Mechanical engineering,Product design, ...[+2]	Patent: 191
21	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	Patent: 178
22	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	Patent: 146
23	Novuton Technology Corp. Japan	Kyoto, Japan	Semiconductor,Laser diode,Integrated circuit, ...[+2]	Patent: 142
24	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Patent: 119
25	MegaChips Corp.	Osaka, Japan	Semiconductor,Software,Electronic visual display, ...[+2]	Patent: 101
26	Sony Semiconductor Solutions Corp.	Kanagawa, Japan	Semiconductor,Image sensor,CMOS sensor, ...[+2]	Patent: 94
27	Yamaha Corp.	Shizuoka, Japan	Audio equipment,Gasoline,Loudspeaker, ...[+2]	Patent: 73
28	Casio Electronics Manufacturing Co., Ltd.	Saitama, Japan		Patent: 62
29	Floadia Corp.	Tokyo, Japan	Semiconductor,Non-volatile memory,Flash memory, ...[+2]	Patent: 56
30	Toppan, Inc.	Tokyo, Japan	Publishing,Semiconductor,Electronics, ...[+2]	Patent: 52
31	Tokyo Electron Ltd.	Tokyo, Japan	Semiconductor,Power transmission,Flat panel display, ...[+2]	Patent: 50
32	Citizen Watch Co., Ltd.	Tokyo, Japan	Quartz,Semiconductor,Electronics, ...[+2]	Patent: 47
33	FUJIFILM Corp.	Tokyo, Japan	Photography,Medical imaging,Computer hardware, ...[+2]	Patent: 44
34	Spansion Japan Ltd.	Kanagawa, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	Patent: 44
35	OKI Micro Design Co. Ltd.	Japan		Patent: 40
36	Toshiba Electronic Devices & Storage Corp.	Tokyo, Japan	Semiconductor,Electronic component,Semiconductor device fabrication, ...[+2]	Patent: 36
37	Akita Electronic Systems Co., Ltd.	Akita, Japan	Semiconductor,Enterprise software,Software, ...[+2]	Patent: 34
38	Hitachi Kokusai Electric, Inc.	Saga, Japan	Semiconductor,Electronics,Thin film, ...[+2]	Patent: 29
39	Yokogawa Electric Corp.	Tokyo, Japan	Automation,Systems design,Programmable logic controller, ...[+2]	Patent: 26
40	Nikon Corp.	Tokyo, Japan	Microscope,Photography,Motion capture, ...[+2]	Patent: 24
41	NEC Engineering Ltd.	Tokyo, Japan		Patent: 24
42	Fujitsu Semiconductor Memory Solution Ltd.	Kanagawa, Japan	Semiconductor memory,Non-volatile memory,Random access memory, ...[+2]	Patent: 21
43	Pioneer Corp.	Fukushima, Japan	Navigation system,Laserdisc player,Electronic product, ...[+2]	Patent: 19
44	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Patent: 17
45	FANUC Corp.	Yamanashi, Japan	Robotics,Robot,Automation, ...[+2]	Patent: 17
46	Fuji Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Microcomputer,Electronic component, ...[+2]	Patent: 17
47	Fuji Electric FA Components & SYstems Co., Ltd.	Tokyo, Japan	Semiconductor,Industrial engineering,Smart grid, ...[+2]	Patent: 17
48	GENUSION, Inc.	Hyogo, Japan	Semiconductor,Semiconductor memory,Computer hardware, ...[+2]	Patent: 17
49	Hitachi Solutions Technology Ltd.	Japan		Patent: 17
50	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	Patent: 16
51	TDK Corp.	Tokyo, Japan	Electronic component,Ceramic capacitor,Electronics, ...[+2]	Patent: 16
52	M-System Co., Ltd.	Osaka, Japan	Tower,Programmable logic controller,Industry 4.0, ...[+2]	Patent: 16
53	Advanced Industrial Science & Technology	Tokyo, Japan	Graphene,Association (object-oriented programming)	Patent: 16
54	Showa Denko Materials Co., Ltd.	Tokyo, Japan	Semiconductor,Carbon product,Efficient energy use, ...[+2]	Patent: 14
55	Victor Company of Japan Ltd.	Kanagawa, Japan	Electronics,Software,High-definition television, ...[+2]	Patent: 14
56	AGC	Tokyo, Japan	Fluorine,Glazing,Chemical engineering, ...[+2]	Patent: 14
57	Asahi Fiber Glass Co., Ltd.	Tokyo, Japan	Glass wool,Thermal insulation,Fiber, ...[+2]	Patent: 14
58	Iwate Toshiba Electronics Co., Ltd.	Japan		Patent: 14
59	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	Patent: 13
60	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	Patent: 13
61	Renesas Design Corp.	Japan		Patent: 13
62	Brother Industries, Ltd.	Aichi, Japan	Computer hardware,Electronics,Digital printing, ...[+2]	Patent: 12
63	Minolta Co., Ltd.	Osaka, Japan	Autofocus,Optics,Photocopier, ...[+2]	Patent: 12
64	Nippon Columbia Co., Ltd.	Tokyo, Japan	Software,Advertising,Music, ...[+2]	Patent: 12
65	Liquid Design Systems Inc.	Kanagawa, Japan	Software,Design systems,Product design, ...[+2]	Patent: 12
66	Zentel Japan Corp.	Tokyo, Japan	Semiconductor,Graphics processing unit,Information technology management, ...[+1]	Patent: 12
67	Mita Industrial Co., Ltd.	Osaka, Japan	Computer hardware,Electronics,Monochrome	Patent: 12
68	Kobe Steel, Ltd.	Hyogo, Japan	Welding,Electronics,Mining engineering, ...[+2]	Patent: 10
69	Dai Nippon Printing Co., Ltd.	Tokyo, Japan	Electronics,Publishing,Publication, ...[+2]	Patent: 10
70	KAGA FEI Co., Ltd.	Kanagawa, Japan	Semiconductor,Semiconductor device,Electronic component, ...[+1]	Patent: 10
71	Asahi Kasei Microdevices Corp.	Tokyo, Japan	Electronic component,Electronics,Avionics, ...[+2]	Patent: 10
72	Asahi Kasei Microsystems Co., Ltd.	Japan	Semiconductor,Accelerometer,Electronic component	Patent: 10
73	Dainippon Printing Co. Ltd.	Japan		Patent: 10
74	Mitsubishi Kogyo KK	Japan		Patent: 10
75	DISCO Corp.	Tokyo, Japan	Semiconductor,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 9
76	Unisis Corp.	Japan	Medical equipment,Medicine,Biopsy	Patent: 9
77	OMRON Corp.	Kyoto, Japan	Automation,Electronics,Health care, ...[+2]	Patent: 8
78	Mitsubishi Materials Corp.	Tokyo, Japan	Cement,Alloy,Polycrystalline silicon, ...[+2]	Patent: 8
79	Mitsubishi Materials Techno Corp.	Japan		Patent: 8
80	Samsung Yokohama Research Institute Co. Ltd.	Japan		Patent: 8
81	Asahi Kasei Corp.	Tokyo, Japan	Chemical engineering,Petrochemical,Fertilizer, ...[+2]	Patent: 7
82	Shimadzu Corp.	Kyoto, Japan	Molecular diagnostics,Microbiology Test,Cockpit display system, ...[+2]	Patent: 7
83	Showa Denko K.K.	Chiba, Japan	Graphite,Materials science,Nanomaterials, ...[+2]	Patent: 7
84	Toshiba Tec Corp.	Tokyo, Japan	Computer hardware,Peripheral,Electronics, ...[+2]	Patent: 7
85	Paramount Bed Co., Ltd.	Tokyo, Japan	Medical equipment,Long-term care,Sales management, ...[+2]	Patent: 7
86	Asia Electronic Inc.	Tokyo, Japan	Semiconductor,Electronic component	Patent: 7
87	Nippon Precision Circuits, Inc.	Tokyo, Japan	Semiconductor,Electronic component	Patent: 7
88	Muratec Automation Co., Ltd.	Aichi, Japan	Software,Semiconductor,Automation	Patent: 7
89	Hitachi Information Technology Co., Ltd.	Japan		Patent: 7
90	Tokyo Electron Device Ltd.	Kanagawa, Japan	Semiconductor,Electronic component,Network security, ...[+2]	Patent: 6
91	Yamaichi Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Electronics,Test solution, ...[+2]	Patent: 6
92	Alpine Electronics, Inc.	Tokyo, Japan	Electronics,Audio equipment,CD player, ...[+2]	Patent: 6
93	Mitsumi Electric Co., Ltd.	Osaka, Japan	Semiconductor,Metal,Electronic component, ...[+2]	Patent: 6
94	NEC Home Electronics Ltd.	Tokyo, Japan	Consumables,Electronics	Patent: 6
95	Kyocera Corp.	Kyoto, Japan	Semiconductor,Electronics,Telecommunications, ...[+2]	Patent: 5
96	Alps Alpine Co., Ltd.	Tokyo, Japan	Electronic component,Electronics,Power transmission, ...[+2]	Patent: 5
97	Meidensha Corp.	Tokyo, Japan	Electrical equipment,Social infrastructure,Electronics, ...[+2]	Patent: 5
98	SNK Corp.	Osaka, Japan	Software,Machining,Video game development, ...[+2]	Patent: 5
99	SANYO Semiconductor Co., Ltd.	Osaka, Japan	Semiconductor,Electronics,Electronic component, ...[+2]	Patent: 5
100	Canon Anelva Corp.	Tokyo, Japan	Semiconductor,Electronic component,Chemical vapor deposition, ...[+2]	Patent: 5