Top Inventors in Ibaraki, JP | Patent Leaderboard

Ibaraki, JP ranks #51 worldwide for total patents filed all time, with 42,143 patents from 6,779 inventors. Leading employers of inventors based in Ibaraki, JP include Ntn, Canon, Maxell.

Showing 1–50 of 6,779 inventors

Rank	Inventor	Primary Company	Patents
1	Toru Takahashi	Ntn	508
2	Takeshi Hashimoto	Canon	225
3	Takahiro Mori	Canon	219
#4	Kazuhiko YOSHIZAWA	Maxell	212
#5	Takehiro Nakamura	Ntt Docomo	203
#6	Satoshi Ueda	Fujitsu Limited	165
#7	Atsushi Ikeda	Canon	161
#8	Asao Nishimura	Hitachi	144
#9	Takashi Oda	Nitto Denko	123
#10	Hiroshi Sugitani	Canon	118
#11	Norio Nakamura	Seiko Epson	115
#12	Akira Nishiyama	Kabushiki Kaisha Toshiba	113
#13	Masayoshi Shimizu	Fujitsu Limited	111
#14	Tadashi Kojima	Kabushiki Kaisha Toshiba	104
#15	Naoto Hirosaki	National Institute For Materials Science	103
#16	Seiji Umemoto	Nitto Denko	102
#16	Yoshiaki Takeuchi	Sumitomo Chemical	102
#18	Hiroshi Kuroda	Hitachi	100
#19	Yasuhiko Abe	Toshiba Medical Systems	96
#19	Minoru Miyatake	Nitto Denko	96
#21	Takeshi Igarashi	Sony	94
#22	Shuichi Tamura	Canon	92
#22	Shuichi Suzuki	Ricoh Company	92
#24	Toichi Hirata	Hitachi Construction Machinery Co.	91
#24	Hideaki Inoue	Nissan Motor Co.	91
#26	Satoru Adachi	Ntt Docomo	89
#27	Tomomasa Nishikawa	Hitachi Koki Co.	79
#28	Naoki Ogawa	Nissan Motor Co.	78
#29	Yuzo Kadomukai	Hitachi	76
#30	Satoshi Honda	Honda Motor Co.	75
#31	Ken Takei	Hitachi	74
#31	Gohfu Suzukamo	Sumitomo Chemical	74
#31	Junichi Tamura	Canon	74
#34	Takuya Nakazono	Nitto Denko	73
#34	Masataka Goto	Kabushiki Kaisha Toshiba	73
#36	Satoshi Yamamura	Koito Manufacturing Co.	72
#36	Hironori Minagawa	Canon	72
#38	Tomohiko Yamamoto	Sharp Kabushiki Kaisha	71
#38	Masaru Fuse	Sumitomo Electric Industries	71
#40	Koichiro Inomata	Kabushiki Kaisha Toshiba	70
#41	Nao Murakami	Nitto Denko	67
#41	Kenji Katsumata	Hitachi	67
#43	Kazuhiko Funabashi	Hitachi Koki Co.	66
#43	Tomoya Ogawa	Toyota	66
#43	Yoshihisa Matsubara	Nec	66
#46	Takayuki Fukushima	Showa Denko K.K.	65
#46	Tatsuya Ogawa	Teijin Limited	65
#48	Hiroaki Onishi	Rohm Co.	64
#49	Ryota Fukumoto	Semiconductor Energy Laboratory	63
#49	Hiroshi Hamano	Fujitsu Limited	63

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Ibaraki, JP All Time