Showing 1–50 of 277 inventors

Rank Inventor Primary Company Patents
1 Shigeyuki Akiba Kokusai Denshin Denwa Co. 82
2 Yoshiaki Hata Minolta 77
3 Hiroyuki Usami 34
#4 Nobuhisa Watanabe Sumitomo Electric Industries 32
#5 Yoichi Nagata Citizen Watch Co. 31
#6 Mitsuo Saitoh Panasonic 29
#7 Hideo Yoshihara Brother Kogyo 28
#8 Tokihide Ebata Canon 27
#8 Shinya Kondoh Citizen Watch Co. 27
#10 Yutaka Kaneda Sony 24
#11 Atsushi Shigemura Casio Computer Co. 23
#12 Takashi Ihara Citizen Holdings Co. 21
#13 Marie Yoshida Citizen Watch Co. 18
#13 Qian Bao Sumitomo Heavy Industries 18
#15 Shunya Akimoto Olympus 17
#15 Kenji Miyasaka Toyota 17
#15 Masahiro Sase Citizen Watch Co. 17
#18 Yoshiyuki Inaguma Kureha Kagaku Kogyo K.K. 16
#19 Takuro Kohyama Citizen Holdings Co. 15
#19 Ikuro Honda Nihon Tokushu Noyaku Seizo K.K. 15
#19 Nobuyoshi Kishida Canon 15
#22 Sadao Kumasaka Human Industry 13
#22 Seiichi Domyo Hitachi 13
#22 Tatsuo Masaki, deceased Canon 13
#22 Toshiichi Sekine Citizen Watch Co. 13
#26 Daisuke MATSUOH Citizen Watch Co. 12
#26 Yasuo Kitajima Citizen Watch Co. 12
#28 Yuki Yamauchi Konica Minolta 11
#28 Makoto Inoguchi Seiko Epson 11
#30 Mitsunari Asao Ntn 10
#30 Tohru Fukuda Kabushiki Kaisha Toshiba 10
#30 Ryo Ujike Yamaichi Electronics Co. 10
#33 Tsutomu Ikehata Citizen Watch Co. 9
#33 Masato Kanao Olympus Optical Co. 9
#33 Haruo Nomi Junkosha 9
#33 Hamaki Inokuchi Japan Aerospace Exploration Agency 9
#33 Taichi Tokutake Mitsubishi Gas Chemical Company 9
#33 Kouichi Nakajima Citizen Watch Co. 9
#33 Kei Mitsuhashi Olympus Medical Systems 9
#33 Toshiaki Endoh Kokusai Denshin Denwa Co. 9
#33 Yasuhiro Uemura Hitachi 9
#42 Masayuki Araki Alab 8
#42 Fujio Arigaya Takara Co. 8
#42 Ryuzo Tanaka Citizen Watch Co. 8
#42 Daisuke Iri Citizen Watch Co. 8
#42 Akira Miyagawa Canon 8
#42 Mikio Moriya Citizen Watch Co. 8
#42 Yasuo Nakayama Otsuka Pharmaceutical Co. 8
#42 Satoshi Imoto Citizen Watch Co. 8
#50 Masao Sakuyama Citizen Watch Co. 7