Top Inventors in Ichikawa, JP | Patent Leaderboard

Ichikawa, JP ranks #803 worldwide for total patents filed all time, with 4,207 patents from 710 inventors. Leading employers of inventors based in Ichikawa, JP include Kabushiki Kaisha Toshiba, Ishikawa Gasket Co., Dai Nippon Insatsu.

Showing 1–50 of 710 inventors

Rank	Inventor	Primary Company	Patents
1	Shinya Nunoue	Kabushiki Kaisha Toshiba	270
2	Hiroaki Unno	Kabushiki Kaisha Toshiba	159
3	Eiichi Akutsu	—	115
#4	Tsunekazu Udagawa	Ishikawa Gasket Co.	99
#5	Mineo Yamauchi	Dai Nippon Insatsu	60
#6	Takeki Shirai	Thk Co.	53
#7	Noritaka Egashira	Dai Nippon Insatsu	51
#8	Masaya Yukinobu	Sumitomo Metal Mining Co.	48
#9	Kensuke Kuraki	Fujitsu Limited	45
#10	Yoshiharu Kimura	Kyoto Institute Of Technology	44
#11	Hiroshi Uchiyama	Sumitomo Electric Industries	42
#12	Makiko Kida	Helen Of Troy Limited	40
#13	Tetsuya Hashimoto	Ricoh Company	39
#13	Katsuo Sato	Tdk	39
#13	Tokuyuki Nakayama	Sumitomo Metal Mining Co.	39
#16	Kenichi Shirai	Canon	37
#16	Takehiro Fukami	Banyu Pharmaceutical Co.	37
#18	Tetsumei Tsuruoka	Fujitsu Limited	36
#19	Masaharu Watanabe	Terumo Kabushiki Kaisha	33
#20	Haruo Ishizuka	Canon	32
#21	Masuyoshi Yamada	Hitachi	31
#22	Teruhisa Inoue	Nippon Kayaku	29
#22	Yoshihiro Hirota	Sumitomo Metal Industries	29
#24	Noriyuki Yamashita	Sony	28
#25	Tomochika Murakami	Canon	27
#25	Masanori Takagi	Sumitomo Metal Mining Co.	27
#27	Yousuke Hata	Canon	26
#27	Koukichi Harada	Eisai	26
#29	Eiji Nagao	Fujitsu Limited	25
#29	Akira Saitoh	Tdk	25
#31	Kenji Nakaya	Tdk	24
#31	Hajime Kamachi	Bristol-Myers Squibb	24
#31	Yoshiyuki Shimamura	Canon	24
#31	Shoji Sakamoto	—	24
#35	Minoru Takaya	Tdk	23
#35	Yoshikazu Yoshimura	Sumitomo Electric Industries	23
#35	Kazufumi Suzukawa	Hitachi Ulsi Systems Co.	23
#38	Haruhiko Koyama	Kabushiki Kaisha Toshiba	22
#38	Hiroshi Terunuma	Nikon	22
#38	Yuji Takatsuka	Mitsubishi Electric	22
#41	Riichirou Aoki	Kabushiki Kaisha Toshiba	21
#42	Norio Karibe	Eisai	20
#42	Hideyuki Shirai	Fujifilm	20
#42	Katsuhiro Miura	Namco	20
#45	Asim Munawar	IBM	19
#45	Toshiki Aoi	Tdk	19
#45	Tetsuro Yamasaki	Takasago International	19
#45	Tadashi Matsunaga	National University Orporation Tokyo University Of Agriculture And Technology	19
#49	Tomoaki Goto	Sumitomo Chemical	18
#50	Kenji Niiyama	Banyu Pharmaceutical Co.	17

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Ichikawa, JP All Time