Showing 1–50 of 137 inventors

Rank Inventor Primary Company Patents
1 Mamoru Takeda Sumitomo Electric Industries 8
2 Yasutaka Ishii Daicel Chemical Industries 7
3 Masayuki Hagi Ricoh Company 6
#4 Yuichi Kamioka Sumitomo Electric Industries 5
#4 Takashi Sohda Takeda Chemical Industries 5
#6 Kenichi Nagasawa Canon 4
#6 Nobuhiro Usui Sumitomo Chemical 4
#6 Ichiro Kawakami Nippon Paint Holdings Co. 4
#6 Eiro Fujii Minolta Co. 4
#10 Katsumi Itoh Takeda Chemical Industries 3
#10 Hideaki Kiryu Sumitomo Electric Industries 3
#10 Tsukasa Shiraishi Sumitomo Electric Industries 3
#10 Hazime Ishida Neomax Co. 3
#10 Kenta Sokawa Sumitomo Electric Industries 3
#10 Hideo Sakon Sumitomo Electric Industries 3
#10 Ikuo Ohya Techno Takatsuki Co. 3
#10 Toshimasa Kuroda Teijin Limited 3
#10 Akio Naka Nippon Shokubai Co. 3
#10 Mutsuo Taiji Sumitomo Pharmaceuticals Company Limited 3
#10 Yoshihisa Nagano Panasonic 3
#10 Junji Ichihara Sumitomo Pharmaceuticals Company Limited 3
#10 Tatsuo Otsuki Sumitomo Electric Industries 3
#23 Kenshi Suzuki Tsubakimoto Chain 2
#23 Kouichi Shibuya Nissan Motor Co. 2
#23 Nozomu Arimoto Panasonic 2
#23 Terumi Nakashima J.S.T. Mfg. Co. 2
#23 Takeshi Yamaguchi Sankyo Holdings Co. 2
#23 Yuichiro Aratake Shionogi & Co. 2
#23 Kohjyu Konno Sumitomo Electric Industries 2
#23 Toshiya Kuroda Sumitomo Chemical 2
#23 Hideki Ushio Sumitomo Chemical 2
#23 Toshikazu Murata Nec Electronics 2
#23 Nobuaki Urashima Nippon Shokubai Co. 2
#23 Izuru Matsuda Sumitomo Electric Industries 2
#23 Osamu Sugihara Hoya 2
#23 Masayoshi Gyoten Sumitomo Electric Industries 2
#23 Tsuyoshi Ichibakase Sumitomo Electric Industries 2
#23 Shigeaki Tokutake Konica Minolta 2
#23 Kenichi Yokoyama Denso 2
#23 Takayuki Murase Sumitomo Electric Industries 2
#23 Atsushi Okuno 2
#23 Takaya Inoue Kansai Chemical Engineering Co. 2
#23 Minoru Akamatsu Japan Tobacco 2
#23 Mitsunori Yokomakura Sumitomo Electric Industries 2
#23 Naoto Konya Sumitomo Chemical 2
#23 Heiichi Hasegawa Yuasa 2
#23 Hiroyuki Kiyomura Sumitomo Electric Industries 2
#23 Kiyoshi Kuriyama Sekisui Kagaku Kogyo 2
#49 Osamu Odai Dainippon Pharmaceutical Co. 1
#49 Yoshiko Sakagawa Minolta Co. 1