Top 50 Key Players companies in Alarm clock by Most Patent Citation in the Japan in 2022 – Discovery

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1	Seikosha Co., Ltd.	Hyogo, Japan	Automatic control,Automation,Manufacturing engineering, ...[+2]	patent citation: 261
2	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	patent citation: 232
3	Panasonic Holdings Corp.	Osaka, Japan	Semiconductor,Industrial engineering,Electronics, ...[+2]	patent citation: 222
4	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	patent citation: 222
5	Casio Computer Co., Ltd.	Tokyo, Japan	Projector,Electronics,Digital camera, ...[+2]	patent citation: 191
6	Casio Electronics Manufacturing Co., Ltd.	Saitama, Japan		patent citation: 191
7	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	patent citation: 128
8	Citizen Watch Co., Ltd.	Tokyo, Japan	Quartz,Semiconductor,Electronics, ...[+2]	patent citation: 111
9	NEC Corp.	Tokyo, Japan	Virtualization,Big data,Network security, ...[+2]	patent citation: 97
10	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	patent citation: 83
11	Hitachi Kokusai Electric, Inc.	Saga, Japan	Semiconductor,Electronics,Thin film, ...[+2]	patent citation: 59
12	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	patent citation: 50
13	Kyocera Corp.	Kyoto, Japan	Semiconductor,Electronics,Telecommunications, ...[+2]	patent citation: 50
14	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	patent citation: 43
15	Nippon Telegraph & Telephone Corp.	Tokyo, Japan	Telecommunications,Cloud database,Data center, ...[+2]	patent citation: 37
16	Tomy Co., Ltd.	Tokyo, Japan	Video game	patent citation: 27
17	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 24
18	Funai Electric Co., Ltd.	Osaka, Japan	Electronics,Computer hardware,Blu-ray disc, ...[+2]	patent citation: 20
19	NEC Mobile Communications Ltd.	Kanagawa, Japan	Telecommunications	patent citation: 20
20	Universal Entertainment Corp.	Tokyo, Japan	Lottery,Betaine,Broadcasting	patent citation: 19
21	CREO Co., Ltd.	Tokyo, Japan	Software,Enterprise software,Systems design, ...[+2]	patent citation: 18
22	Daizo Corp.	Osaka, Japan	Sales management,Construction engineering	patent citation: 18
23	Yumex, Inc.	Fukuoka, Japan	General insurance,Publishing,Conference management, ...[+1]	patent citation: 17
24	TDK Corp.	Tokyo, Japan	Electronic component,Ceramic capacitor,Electronics, ...[+2]	patent citation: 16
25	Takano Co., Ltd.	Nagano, Japan	Fixture,Liquid crystal,Awning, ...[+2]	patent citation: 15
26	NTT DoCoMo, Inc.	Tokyo, Japan	Telecommunications,Wireless,Mobile device, ...[+2]	patent citation: 15
27	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	patent citation: 14
28	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	patent citation: 13
29	Hitachi Software Engineering Co., Ltd.	Tokyo, Japan	Software,Information technology consulting,Data processing, ...[+2]	patent citation: 13
30	Hochiki Corp.	Tokyo, Japan	Smoke,Fire detection,Fire protection, ...[+2]	patent citation: 12
31	Aichi Tokei Denki Co., Ltd.	Aichi, Japan	Smart meter,Electronics,Smart grid, ...[+2]	patent citation: 12
32	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	patent citation: 11
33	FUJIFILM Corp.	Tokyo, Japan	Photography,Medical imaging,Computer hardware, ...[+2]	patent citation: 11
34	NEC Communication Systems Ltd.	Tokyo, Japan	Software,System software,Enterprise software, ...[+2]	patent citation: 11
35	Ohbayashi Corp.	Japan	Construction engineering	patent citation: 11
36	Renesas Technology Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 10
37	CDG Co., Ltd.	Osaka, Japan	Sales promotion,Advertising,Digital economy, ...[+2]	patent citation: 9
38	Mitsuba Corp.	Japan	Automotive engineering,Gasoline,Windscreen wiper, ...[+2]	patent citation: 8
39	Nidec Sankyo Corp.	Shiga, Japan	Card reader,Core component,Image processing	patent citation: 8
40	Adamant Namiki Precision Jewel	Tokyo, Japan	Glazing,Optical communication,Industrial engineering, ...[+1]	patent citation: 8
41	Namiki Precision Jewel Co. Ltd.	Japan	Stepper motor,Rotor (electric),AC motor, ...[+2]	patent citation: 8
42	Shoei KK	Tokyo, Japan		patent citation: 8
43	Hashimoto Corp.	Ehime, Japan	Sales management,Automotive engineering	patent citation: 8
44	Tomey Co. Ltd.	Aichi, Japan	Medical equipment,Medicine	patent citation: 7
45	Faurecia Clarion Electronics Co., Ltd.	Tokyo, Japan	Electronics,Information device,Telematics, ...[+2]	patent citation: 6
46	Toshiba Plant Systems & Services Corp.	Kanagawa, Japan	Construction engineering,Public Facility,Hydropower, ...[+1]	patent citation: 6
47	San-Ei Gen F.F.I., Inc.	Osaka, Japan	Colourant,Food industry,Food material, ...[+2]	patent citation: 6
48	Dai Nippon Printing Co., Ltd.	Tokyo, Japan	Electronics,Publishing,Publication, ...[+2]	patent citation: 5
49	Minolta Co., Ltd.	Osaka, Japan	Autofocus,Optics,Photocopier, ...[+2]	patent citation: 5
50	M-System Co., Ltd.	Osaka, Japan	Tower,Programmable logic controller,Industry 4.0, ...[+2]	patent citation: 5