Rifu, JP All Time

15,173 patents  ·  2,101 inventors

Ranked #378 of 111,555 cities Top 1%

Showing 51–100 of 2,101 inventors

Rank Inventor Primary Company Patents
#49 Yasuyuki Shirai Unknown 47
#52 Wataru Shimizu Mitsubishi Chemical 45
#52 Eiji Nakashio Sony 45
#52 Shinya Ishikawa Tokyo Electron Limited 45
#55 Yoshikazu Abe Sumitomo Electric Industries 44
#56 Hajime Tamura Mitsubishi Electric 43
#56 Noboru Saito Advantest 43
#58 Sohmei Endoh Sony 42
#58 Takafumi Noguchi Fujitsu Limited 42
#58 Kimio Takahashi Sony 42
#58 Norikazu Yamada — 42
#62 Yasuhiko Sato Kabushiki Kaisha Toshiba 41
#62 Akihiro Shibata Kabushiki Kaisha Toshiba 41
#62 Tsuyoshi Saito Sodick Co. 41
#62 Kazuhiro Kubota Tokyo Electron Limited 41
#62 Takahiro Murakami Tokyo Electron Limited 41
#67 Seiji Samukawa Nec 40
#67 Tomoki Nobuta Nec Tokin 40
#67 Takatsugu Funawatari Sony 40
#70 Junya Kato Seiko Epson 39
#70 Koichi Nagami Tokyo Electron Limited 39
#72 Seiji Sarayama Ricoh Company 38
#72 Yoshihiro Someno Alps Electric Co. 38
#72 Shigeru Tahara Tokyo Electron Limited 38
#72 Takayuki Katsunuma Tokyo Electron Limited 38
#76 Mitsunari Hoshi Sony 37
#77 Tatsuo Uchida Tohoku University 36
#77 Nobuyuki Nagayama Tokyo Electron Limited 36
#77 Keisuke Nakayama Nissan Chemical Industries 36
#77 Hiroshi Osada Toyota 36
#77 Takehito Shimatsu Fuji Electric Co. 36
#82 Tsutomu Nagahama Sony 35
#83 Manabu Tamura Alps Green Devices Co. 34
#83 Hiroshi Wakuda Alps Alpine Co. 34
#83 Tatsumi Fujiyoshi Alps Electric Co. 34
#83 Koji Umetsu Sony 34
#87 Kazuhiko Adachi Ricoh Company 33
#87 Tadao Nakamura Kabushiki Kaisha Toshiba 33
#87 Takashi Matsuoka Kabushiki Kaisha Toshiba 33
#90 Takatoshi Yamada Toyo Tire & Rubber Co. 32
#90 Atsushi Kawabata Hitachi 32
#92 Kazuhito Yamada Ibiden Co. 31
#92 Masaru Terakawa Sony 31
#92 Yasuo Sakai Sumitomo Rubber Industries 31
#95 Kiyoshi Yamauchi Sony 30
#95 Masahiro Ogasawara Tokyo Electron Limited 30
#95 Yohei Uchida Tokyo Electron Limited 30
#95 Shinichi Endo Alps Alpine Co. 30
#95 Yuji Ogata Hitachi 30
#95 Ken Mizuta Alps Electric Co. 30