Bunkyo, JP All Time

1,285 patents  ·  231 inventors

Ranked #3,010 of 111,555 cities Top 3%

Showing 1–50 of 231 inventors

Rank Inventor Primary Company Patents
1 Katsuyuki Naito Kabushiki Kaisha Toshiba 97
2 Koichi Harada Fujikura 68
2 Kenichiro Yoshii Kabushiki Kaisha Toshiba 68
#4 Hiroshi Nishiyama Murata Manufacturing Co. 57
#5 Mitsuhiko Kitagawa Kabushiki Kaisha Toshiba 55
#6 Kazuhito Hashimoto Unknown 45
#7 Makoto Asakura Kabushiki Kaisha Toshiba 44
#8 Yasuhiko Arakawa The University Of Tokyo 33
#9 Yotaro Hatamura Unknown 29
#10 Kazuya Masu Canon 28
#10 Minoru Ono Fujitsu Limited 28
#12 Kazunari Domen The University Of Tokyo 24
#13 Yutaka Asanuma Kabushiki Kaisha Toshiba 23
#14 Shu Yamaguchi Kao 22
#15 Motomu Kanai Japan Science And Technology Agency 21
#16 Toru Matsunaga Sony 20
#17 Hirofumi Murakami Sony 19
#18 Noboru Yashima Mitsubishi Electric 18
#19 Takashi Imamichi IBM 16
#20 Ichiro Sakuma The University Of Tokyo 15
#20 Po-Chin Huang Unknown 15
#22 Akari Shimizu Clarion Co. 14
#22 Yuya Takamori Ichikawa Co. 14
#24 Yuji Mizoguchi Okuma 13
#24 Motohiro Niki Unknown 13
#26 Ryozo Nagai Nissan Chemical Industries 11
#26 Toshifumi Irisawa Kabushiki Kaisha Toshiba 11
#28 Jin Takahashi Fujitsu Limited 10
#28 Ai Tamura Ichikawa Co. 10
#28 Ryo Umehara Ichikawa Co. 10
#31 Itaru Murakami Kabushiki Kaisha Toshiba 9
#31 Ryoichi Mori Unknown 9
#31 Shigeo Maruyama The University Of Tokyo 9
#31 Toru Taniguchi Daiichi Sankyo Company, Limited 9
#35 Tadao Okamoto Fuji Latex Co. 8
#35 Masaki Ihara Ehs Lens Philippines 8
#37 Yohei Soma Japan Science And Technology Agency 7
#37 Seiichi Uchiyama Kirin Holdings Kabushiki Kaisha 7
#39 Seiichiro Kumagai Kioritz 6
#39 Kenji Uno Seed Co. 6
#39 Nobuyo Sakai — 6
#39 Hideo Yagita Sumitomo Electric Industries 6
#39 Akira SUGIYAMA Savid Therapeutics 6
#39 Yuki MATSUO Fujitsu Limited 6
#45 Suguru Kondo — 5
#45 Mayuko Hirahara Kao 5
#45 Hiroki Takeuchi Kyoto University 5
#45 Shunichi Tanaka Seiko Instruments 5
#45 Takeshi Iwatsubo Eisai R&D Management Co. 5
#45 Mieko Niki — 5