Showing 1–50 of 476 inventors

Rank Inventor Primary Company Patents
1 Tsukasa Takahashi Fujitsu Limited 92
2 Mitsuhiro Wada Unicharm 70
3 Takuya Yamamoto Mitsui Mining & Smelting Co. 64
#4 Daisuke Nakajima Sekisui Chemical Co. 59
#5 Jun Itoh Mitsui Mining & Smelting Co. 55
#6 Hideki Komatsuda Nikon 48
#7 Hideaki Matsushima Mitsui Mining & Smelting Co. 47
#8 Masako Kashiwagi Kabushiki Kaisha Toshiba 43
#9 Shoichi Minagawa Clarion Co. 33
#10 Tatsuo Amanuma Nikon 31
#11 Michihiro Horie IBM 27
#11 Yoshinobu Nakada Mitsubishi Materials 27
#13 Tadashi Furuya Canon 26
#14 Hiroyasu Koyama Nisshin Flour Milling 25
#14 Toshimi Nakamura Mitsui Mining & Smelting Co. 25
#16 Takashi Wakabayashi Mitsui Mining & Smelting Co. 24
#16 Yoshiyuki Maeda Maruzen Company Limited 24
#18 Masato Kashimura Taisho Pharmaceutical Co. 23
#18 Kazushige Taguchi Ricoh Company 23
#18 Tsuguya Yamanami Wacom Co. 23
#21 Shuji Nishimoto Kanzaki Kokyukoki Mfg. Co. 22
#21 Katsuya Miyake Akebono Brake Industry Co. 22
#23 Rintaro Ishii Hitachi 20
#23 Kiminobu Hirata Nissan Diesel Motor Co. 20
#25 Sadafumi Omura Taisho Pharmaceutical Co. 19
#26 Kunihiro Niigata Yamanouchi Pharmaceutical Co. 18
#27 Mitsuhiro Nishina Nissan Diesel Motor Co. 17
#27 Masayoshi Aruga Yamanouchi Pharmaceutical Co. 17
#27 Hiroaki Kurihara Mitsui Mining & Smelting Co. 17
#30 Toshifumi Matsushima Mitsui Mining & Smelting Co. 16
#30 Hitoshi Horie Panasonic 16
#32 Toshihiro Hosoi Mitsui Mining & Smelting Co. 15
#32 Masashi Nakajima Topcon 15
#32 Yuji Hoshi Hoya 15
#35 Nobuhiko Masaki Nissan Diesel Motor Co. 14
#35 Makoto Hosokawa Semiconductor Energy Laboratory 14
#35 Shigekazu Nakamura Copal Company Limited 14
#35 Shinichi Yamauchi Mitsubishi Petrochemical Company Limited 14
#35 Kazuhiko Sueoka Fukoku Co. 14
#35 Nobuyasu Ezawa Tanaka Kikinzoku Kogyo K.K. 14
#35 Takenori Yanai Mitsui Mining & Smelting Co. 14
#42 Shigeru Yamaki Showa Denko K.K. 13
#42 Takaaki Ikeda Koyo Seiko Co. 13
#42 Noriaki Nagano Yamanouchi Pharmaceutical Co. 13
#42 Yanko Marinov Todorov Mitsui Mining & Smelting Co. 13
#42 Kiyotaka Yasuda Mitsui Mining & Smelting Co. 13
#42 Tomio Tahara Kamaya Kagaku Kogyo Co. 13
#48 Shoichi Kato Nippon Kayaku 12
#48 Yoshihide Koyama Sharp Kabushiki Kaisha 12
#48 Mitsuyoshi Matsuda Mitsui Mining & Smelting Co. 12