Top Inventors in Itabashi, JP | Patent Leaderboard

Itabashi, JP ranks #3,136 worldwide for total patents filed all time, with 962 patents from 173 inventors. Leading employers of inventors based in Itabashi, JP include Seiko Epson, Topcon, Canon.

Showing 1–50 of 173 inventors

Rank	Inventor	Primary Company	Patents
1	Takao Nishikawa	Seiko Epson	57
2	Yoshiaki Goto	Topcon	52
3	Yasuhiko Shiomi	Canon	45
#4	Masahiko Yasuda	Nikon	36
#5	Tatsutoshi Kobayakawa	Tanita	34
#6	Masayuki Momiuchi	Topcon	33
#7	Nagashige Takahashi	Pentax	29
#7	Nobuyuki Izumisawa	Shinano	29
#9	Toshio Oshima	Hitachi Maxell	26
#10	Miyuki Kodama	Tanita	25
#11	Tomonari Ohtsuki	Daiichi Denshi Kogyo Kabushiki Kaisha	24
#11	Ken Hatano	Kabushiki Kaisha Toshiba	24
#11	Yuichi Sakamoto	Nippon Conlux Co.	24
#14	Hirofumi Matsuzawa	IBM	15
#14	Hiroyuki Katsurada	Pentax	15
#16	Yoshikatsu Tokuda	Topcon	14
#16	Seiji Koguma	Okamura	14
#18	Fumiko Satoh	IBM	13
#18	Ryuji Tsuzuki	Yamanouchi Pharmaceutical Co.	13
#18	Tadashi Hirokawa	Thk Co.	13
#18	Tomohiro Sakurada	Topcon	13
#22	Yohei Nagai	Nippon Gakki Seizo	11
#22	Kiyohiro Ichinose	Honda Motor Co.	11
#24	Tsuyoshi Mutou	Lintec	10
#24	Takeyuki Yatsu	Yamanouchi Pharmaceutical Co.	10
#24	Tatsunosuke Miyano	Gc	10
#24	Kinichi Kimura	Nippon Steel	10
#28	Akihiko Kasahara	Nippon Kinzoku Co.	9
#28	Isao Ohno	Sumitomo Chemical	9
#30	Motoyasu Ohno	Panasonic	8
#31	Naofumi Matsumoto	Gc	7
#31	Mamoru Fujisawa	Fujitsu Limited	7
#31	Hiroo Uchiyama	Fujitsu Limited	7
#31	Shinsuke Kaneko	Topcon	7
#31	Nobutoshi Orita	Tok Bearing Co.	7
#36	Yoneji Wada	Takano Co.	6
#36	Rikiya Ishikawa	Sony	6
#36	Kinya Nihei	Gc	6
#36	Hideki Yarimizu	Gc	6
#40	Shohei Kuwabara	Fujitsu Limited	5
#40	Shigeyuki Yamaguchi	Topcon	5
#40	John David Di Cesare	—	5
#40	Ichiro Kawahata	Dai Nippon Printing Co.	5
#40	Junki Kaneko	Topcon	5
#40	Takamitsu Takagi	Nec Tokin	5
#40	Takashi Ohata	Fujitsu Limited	5
#47	Yuji Fujimaki	Gc	4
#47	Ken'ichiro Yoshino	—	4
#47	Kousei Ishihara	—	4
#47	Yukie NOGUCHI	Gc	4

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