Showing 1–50 of 339 inventors

Rank Inventor Primary Company Patents
1 Akihiro Ishikawa Shimadzu 45
2 Yasoji Suzuki Toshiba 43
3 Tohru Matsumoto Ricoh Company 41
#4 Takeo Yoshioka Mercian 40
#5 Tatsumi Tsuchiya HGST 39
#6 Satoru Nakajima Canon 38
#7 Osamu Matsunaga Sony 35
#8 Kenji Hirai Sagami Chemical Research Center 29
#9 Naoki Shoji Jtekt 26
#10 Hideto Kuramochi Tosoh 23
#10 Yumi Hayashi Kabushiki Kaisha Toshiba 23
#12 Tetsuya Izumi Jatco 22
#13 Michihiko Yanagisawa Speedfam Co. 21
#13 Kohki Takatoh Kabushiki Kaisha Toshiba 21
#15 Makoto Kawarama Canon 19
#16 Isao Tanikawa Toyo Seikan Co. 17
#17 Norio Yanagishita Ikeda Bussan Co. 15
#17 Teruhiko Ide Tosoh 15
#19 Masami MESUDA Tosoh 14
#19 Teruo Segawa Nissan Motor Co. 14
#21 Naomichi Sakai International Superconductivity Technology Center 13
#21 Masahiko Miyoshi Tokyo Kikai Seisakusho 13
#21 Yutaka Takizawa Fujitsu Limited 13
#24 Moriyuki Eguchi Ikeda Bussan Co. 12
#24 Makoto Muto Daiichi Pharmaceutical Co. 12
#24 Shigeru Michiwaki Meiko Electronics Co. 12
#24 Tohru Nishiyama Panasonic 12
#24 Yuusuke Inoue Tgk Co. 12
#24 Takeo Akiyama Konica 12
#30 Kishiro Abe Topy Kogyo Kabushiki Kaisha 11
#30 Tsutomu Sawa Sanraku Incorporated 11
#30 Taishi Furukawa Tosoh 11
#30 Ryoichi Shimizu Meiko Electronics Co. 11
#30 Hisatane Komori Canon 11
#30 Yoshio Imamura Meiko Electronics Co. 11
#36 Naotaka Kato IBM 10
#36 Sakae Itakura Hitachi 10
#36 Kenichi Nagao Tsubakimoto Chain 10
#36 Tadashi Watai Oiles 10
#36 Takao Kawahara Yokowo Co. 10
#41 Takahisa Takubo Capsugel Belgium Nv 9
#41 Yoshiyuki Sugiyama Sumitomo Electric Industries 9
#41 Toshiyuki Nagai Nippon Unicar Company Limited 9
#41 Tatsuya Kikuchi Mitsubishi Engineering-Plastics 9
#45 Tomoki Ogura Seiko Instruments 8
#45 Masaru Ogasawara Toshiba Medical Systems 8
#45 Tsutomu Matsunaga Bridgestone Tire Company Limited 8
#45 Takehiko Suyama Kyocera 8
#45 Hisayoshi Mizuno Ikeda Bussan Co. 8
#45 Motohiro Soutome Smc 8