Showing 1–50 of 471 inventors

Rank Inventor Primary Company Patents
1 Katsuji Iguchi Sharp Kabushiki Kaisha 73
2 Takumi Tanaka Jfe Steel 44
3 Kazumi Kobayashi Ricoh Company 42
#4 Kazuyoshi Sugihara Kabushiki Kaisha Toshiba 37
#5 Tatsuya Miyoshi Jfe Steel 36
#6 Shinsuke Sugata Horkos 34
#7 Norihiko Suzuki Honda Motor Co. 31
#8 Hiroki Nakamaru Jfe Steel 30
#9 Tetsuyuki Doi Ryobi 28
#10 Takeshi Shohoji Ryobi 26
#11 Takami Hikita Nitto Denko 24
#12 Shin Itoh Sharp Kabushiki Kaisha 23
#13 Hiroaki Onuma Sharp Kabushiki Kaisha 22
#14 Yoshinori Mochizuki Mitsubishi Electric 21
#14 Hiroyuki Masuoka Jfe Steel 21
#16 Satoshi Mita Nitto Denko 20
#17 Fumiyuki Hisatsune Mitsubishi Electric 19
#17 Hiroyuki Iwamoto Nec 19
#19 Katsunori Ono Seiko Epson 18
#19 Shingo Iwai Mitsubishi Electric 18
#21 Satoshi Ueoka Jfe Steel 17
#21 Kenji Hirota Tokuyama 17
#21 Satoshi Hibino Yamaha 17
#21 Yusuke Dohi Jfe Steel 17
#25 Nobuo Nasu Kabushiki Kaisha Kawakami Seisakusho 16
#25 Teruyuki Hasegawa Kddi 16
#27 Eiichiro Kataoka Fujifilm 15
#28 Yusaku Katoh Fukuyama Gomu Kogyo Kabushiki Gaisha 14
#28 Kiyoshi Fukada Jfe Steel 14
#30 Junichi Terachi Mitsubishi Electric 13
#30 Tetsuro Aoki Sharp Kabushiki Kaisha 13
#30 Tsuneo Kondo Nippon Kokan Co. 13
#30 Hiroaki Fujihisa Mitsubishi Electric 13
#30 Toshio Kakihara IBM 13
#30 Shinsuke Anzai Sharp Kabushiki Kaisha 13
#36 Haruhisa Toda Mitsubishi Electric 12
#36 Yoshimichi Hino Jfe Steel 12
#36 Shunichi Tachibana Canon 12
#36 Takeshi Adaniya Nippon Kokan Co. 12
#36 Hirotoshi Ohishi Mitsubishi Electric 12
#36 Yoshihiro Hatakeyama Mitsubishi Electric 12
#36 Susumu Satou Calsonic Kansei 12
#43 Yoichi Motoyashiki Nkk Co. 11
#43 Nobumasa Sato Nishikawa Rubber Co. 11
#43 Tsuyoshi Uchiyama Fukuyama Gomu Kogyo Kabushiki Gaisha 11
#46 Koichi Ozawa Chugai Pharmaceutical 10
#46 Manabu Sogabe Mitsubishi Electric 10
#46 Sadanori Imada Nkk Co. 10
#46 Takashi Kambara Panasonic 10
#50 Tsukasa Iio Mitsubishi Electric 9