Itabashi, JP All Time

959 patents  ·  173 inventors

Ranked #3,801 of 111,555 cities Top 4%

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 Nobuyuki Izumisawa Shinano 29
#8 Nagashige Takahashi Pentax 28
#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 Hiroyuki Katsurada Pentax 15
#14 Hirofumi Matsuzawa IBM 15
#16 Yoshikatsu Tokuda Topcon 14
#16 Seiji Koguma Okamura 14
#18 Tomohiro Sakurada Topcon 13
#18 Tadashi Hirokawa Thk Co. 13
#18 Fumiko Satoh IBM 13
#18 Ryuji Tsuzuki Yamanouchi Pharmaceutical Co. 13
#22 Yohei Nagai Nippon Gakki Seizo 11
#22 Kiyohiro Ichinose Honda Motor Co. 11
#24 Kinichi Kimura Nippon Steel 10
#24 Tatsunosuke Miyano Gc 10
#24 Takeyuki Yatsu Yamanouchi Pharmaceutical Co. 10
#24 Tsuyoshi Mutou Lintec 10
#28 Akihiko Kasahara Nippon Kinzoku Co. 9
#28 Isao Ohno Sumitomo Chemical 9
#30 Motoyasu Ohno Panasonic 8
#31 Hiroo Uchiyama Fujitsu Limited 7
#31 Shinsuke Kaneko Topcon 7
#31 Nobutoshi Orita Tok Bearing Co. 7
#31 Naofumi Matsumoto Gc 7
#31 Mamoru Fujisawa Fujitsu Limited 7
#36 Yoneji Wada Takano Co. 6
#36 Hideki Yarimizu Gc 6
#36 Rikiya Ishikawa Sony 6
#36 Kinya Nihei Gc 6
#40 Shohei Kuwabara Fujitsu Limited 5
#40 Junki Kaneko Topcon 5
#40 Takashi Ohata Fujitsu Limited 5
#40 Shigeyuki Yamaguchi Topcon 5
#40 Ichiro Kawahata Dai Nippon Printing Co. 5
#40 John David Di Cesare — 5
#40 Takamitsu Takagi Nec Tokin 5
#47 Yukie NOGUCHI Gc 4
#47 Ken'ichiro Yoshino — 4
#47 Yukio Kozaki Ricoh Company 4
#47 Yuji Fujimaki Gc 4