Top Inventors in Chiba, JP | Patent Leaderboard

Chiba, JP ranks #55 worldwide for total patents filed all time, with 41,467 patents from 6,266 inventors. Leading employers of inventors based in Chiba, JP include Ricoh Company, Kabushiki Kaisha Toshiba, Sony.

Showing 1–50 of 6,266 inventors

Rank	Inventor	Primary Company	Patents
1	Hiroshi Yoshinaga	Ricoh Company	241
2	Hiroaki Yoda	Kabushiki Kaisha Toshiba	235
3	Teruhiko Suzuki	Sony	219
#4	Yoshiaki Suzuki	Canon	216
#5	Hidefumi Yoshida	Sharp Kabushiki Kaisha	211
#6	Kazuyuki Yamamoto	Sony	210
#7	Masayuki Orihashi	Panasonic	205
#8	Toshio Miyazawa	Hitachi Displays	183
#9	Takatoshi Nakamura	Sony	174
#9	Naoto Watanabe	Canon	174
#11	Masahiro Kawamura	Idemitsu Kosan Co.	164
#12	Masashi Shiraishi	Sae Magnetics (H.K.)	156
#13	Shingo Hattori	Brother Kogyo	149
#14	Yoshikazu Kobayashi	Nec Infrontia	146
#15	Yuki Tanaka	Nec	131
#16	Tetsuya Inoue	Idemitsu Kosan Co.	119
#17	Norihiko Nakamura	Toyota	117
#18	Takeshi Kijima	Seiko Epson	112
#19	Takashi Niwa	Seiko Instruments	111
#20	Naoki Ishikawa	Canon	107
#21	Masakazu Funahashi	Idemitsu Kosan Co.	105
#22	Akiko Saito	Kabushiki Kaisha Toshiba	104
#22	Seizo Suzuki	Ricoh Company	104
#24	Hiroyuki Hasegawa	Canon	101
#25	Keisuke Shimizu	Panasonic	100
#26	Kunio Fukuda	Sony	98
#27	Masahiro Takizawa	Hitachi Medical	93
#27	Noriyuki Kimura	Ricoh Company	93
#27	Shuichi Matsui	Chisso	93
#30	Seiji Higurashi	Victor Company Of Japan	89
#30	Kenji Ogasawara	Seiko Instruments	89
#30	Nobuyuki Matsumoto	Kabushiki Kaisha Toshiba	89
#33	Kazuo Takada	Sanyo Electric Co.	88
#33	Juichiro Takada	Takata	88
#35	Manabu Oumi	Seiko Instruments	85
#35	Masato Kaneko	Idemitsu Kosan Co.	85
#37	Hiroyuki Honma	Sony	84
#38	Tomohiro Ishii	Sony	83
#39	Hideki Yoshikawa	J. Morita Mfg.	81
#39	Teppei Yokota	Sony	81
#41	Koichi Taniguchi	Canon	80
#41	Minoru Tsuji	Sony	80
#41	Takeshi Kanaya	Suntory Flowers Limited	80
#44	Takashi Nakanishi	Sony	78
#45	Daisuke Kawae	Semiconductor Energy Laboratory	76
#45	Takahiro Sakaguchi	Teac	76
#47	Kazuyoshi Suzuki	Sony	74
#47	Junichi Hirakata	Hitachi	74
#47	Kazumi Tanaka	Canon	74
#47	Yumiko Mizuki	Idemitsu Kosan Co.	74

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Chiba, JP All Time