Top Inventors in Bunkyo, JP | Patent Leaderboard

Bunkyo, JP ranks #2,415 worldwide for total patents filed all time, with 1,295 patents from 231 inventors. Leading employers of inventors based in Bunkyo, JP include Kabushiki Kaisha Toshiba, Fujikura, Murata Manufacturing Co..

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	46
#7	Makoto Asakura	Kabushiki Kaisha Toshiba	44
#8	Yasuhiko Arakawa	The University Of Tokyo	33
#9	Yotaro Hatamura	Unknown	29
#10	Minoru Ono	Fujitsu Limited	28
#10	Kazuya Masu	Canon	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	Ichiro Sakuma	The University Of Tokyo	16
#19	Takashi Imamichi	IBM	16
#21	Po-Chin Huang	Unknown	15
#22	Yuya Takamori	Ichikawa Co.	14
#22	Akari Shimizu	Clarion Co.	14
#24	Motohiro Niki	Unknown	13
#24	Yuji Mizoguchi	Okuma	13
#26	Toshifumi Irisawa	Kabushiki Kaisha Toshiba	11
#26	Ryozo Nagai	Nissan Chemical Industries	11
#28	Ai Tamura	Ichikawa Co.	10
#28	Jin Takahashi	Fujitsu Limited	10
#28	Ryo Umehara	Ichikawa Co.	10
#31	Shigeo Maruyama	The University Of Tokyo	9
#31	Toru Taniguchi	Daiichi Sankyo Company, Limited	9
#31	Itaru Murakami	Kabushiki Kaisha Toshiba	9
#31	Ryoichi Mori	Unknown	9
#35	Masaki Ihara	Ehs Lens Philippines	8
#35	Tadao Okamoto	Fuji Latex Co.	8
#37	Seiichi Uchiyama	Kirin Holdings Kabushiki Kaisha	7
#37	Yohei Soma	Japan Science And Technology Agency	7
#39	Kenji Uno	Seed Co.	6
#39	Seiichiro Kumagai	Kioritz	6
#39	Shunichi Tanaka	Seiko Instruments	6
#39	Yuki MATSUO	Fujitsu Limited	6
#39	Nobuyo Sakai	—	6
#39	Suguru Kondo	—	6
#39	Hideo Yagita	Sumitomo Electric Industries	6
#39	Akira SUGIYAMA	Savid Therapeutics	6
#47	Mieko Niki	—	5
#47	Kyoko Kawamoto	Kirin Holdings Kabushiki Kaisha	5
#47	Takeshi Iwatsubo	Eisai R&D Management Co.	5
#47	Mayuko Hirahara	Kao	5

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Bunkyo, JP All Time