Top Inventors in Toshima, JP | Patent Leaderboard

Toshima, JP ranks #4,579 worldwide for total patents filed all time, with 598 patents from 127 inventors. Leading employers of inventors based in Toshima, JP include IBM, Kao, Banyu Pharmaceutical Co..

Showing 1–50 of 127 inventors

Rank	Inventor	Primary Company	Patents
1	Setsuko Masuda	IBM	59
2	Daisuke Takuma	IBM	46
3	Yasushi Shioya	Kao	37
#4	Norikazu Otake	Banyu Pharmaceutical Co.	30
#5	Toshihiro Motoi	Konica	28
#6	Kiyoshi Kohiyama	Fujitsu Limited	24
#7	Masaki Omori	Nichia	22
#8	Kazunari Sakagami	Taisho Pharmaceutical Co.	18
#9	Yasuhiro Fukui	Kasco	17
#10	Honami Oosawa	Sanyo Denki Co.	13
#11	Toshio Nakamura	Taisho Pharmaceutical Co.	12
#12	Kie Kubo	Kabushiki Kaisha Toshiba	10
#13	Hiroki Urabe	Taisho Pharmaceutical Co.	9
#13	Tetsuya Yabuuchi	Taisho Pharmaceutical Co.	9
#15	Seiji Masuda	Taisho Pharmaceutical Co.	8
#16	Noriaki Nagao	Riso Kagaku	7
#16	Akihiko Ohwada	Fujitsu Limited	7
#16	Nobuo Someya	Marin Bio Co.	7
#19	Takashi Hashihayata	Banyu Pharmaceutical Co.	6
#19	Nobuyuki Narisawa	Honda Motor Co.	6
#21	Toshio Kasama	Nof	5
#21	Mineo Tsuruda	Yoshitomi Pharmaceutical Industries	5
#21	Shinichiro Fukuda	Shaken Co.	5
#21	Madoka Kawamura	Taisho Pharmaceutical Co.	5
#21	Yusuke Oka	Taisho Pharmaceutical Co.	5
#21	Ryoji Matsubara	Hitachi	5
#21	Kei Kasai	Kabushiki Kaisha Toshiba	5
#21	Masato Murata	Orient Instrument Computer Co.	5
#29	Tadashi Sawafuji	—	4
#29	Hiroyuki Hanaoka	Sanyo Denki Co.	4
#29	Guillaume Cantagrel	Essilor International	4
#29	Tomohiro Aoyagi	Fujitsu Limited	4
#29	Junzo Yoshimura	—	4
#29	Kumi Abe	Taisho Pharmaceutical Co.	4
#29	Xiang-Min Sun	Taisho Pharmaceutical Co.	4
#29	Tomomichi Chonan	Taisho Pharmaceutical Co.	4
#29	Shuhei Kashiwa	Taisho Pharmaceutical Co.	4
#29	Masato Takahashi	Taisho Pharmaceutical Co.	4
#39	Yuki Iwata	Taisho Pharmaceutical Co.	3
#39	Seitaro Nishibayashi	—	3
#39	Aya Fujino	Taisho Pharmaceutical Co.	3
#39	Rie Nishikawa	Taisho Pharmaceutical Co.	3
#39	Shouichi Goto	Takara Shuzo Co.	3
#39	Risa Tsuruta	Taisho Pharmaceutical Co.	3
#39	Toshiharu Shimazaki	Taisho Pharmaceutical Co.	3
#39	Shinhan Sha	Unknown	3
#39	Kazunori Hibino	Motorola	3
#39	Yoshihiko Iwata	Casio Computer Co.	3
#39	Hiroshi Sakaba	Sanyo Denki Co.	3
#39	Mitsuji Kawai	Daikin Industries	3

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Toshima, JP All Time