Ichikawa, JP All Time

4,192 patents  ·  710 inventors

Ranked #1,213 of 111,555 cities Top 2%

Showing 1–50 of 710 inventors

Rank Inventor Primary Company Patents
1 Shinya Nunoue Kabushiki Kaisha Toshiba 269
2 Hiroaki Unno Kabushiki Kaisha Toshiba 159
3 Eiichi Akutsu — 115
#4 Tsunekazu Udagawa Ishikawa Gasket Co. 99
#5 Mineo Yamauchi Dai Nippon Insatsu 60
#6 Takeki Shirai Thk Co. 53
#7 Noritaka Egashira Dai Nippon Insatsu 51
#8 Masaya Yukinobu Sumitomo Metal Mining Co. 48
#9 Kensuke Kuraki Fujitsu Limited 45
#10 Yoshiharu Kimura Kyoto Institute Of Technology 44
#11 Hiroshi Uchiyama Sumitomo Electric Industries 42
#12 Makiko Kida Helen Of Troy Limited 40
#13 Tokuyuki Nakayama Sumitomo Metal Mining Co. 39
#13 Katsuo Sato Tdk 39
#15 Tetsuya Hashimoto Ricoh Company 38
#16 Kenichi Shirai Canon 37
#16 Takehiro Fukami Banyu Pharmaceutical Co. 37
#18 Tetsumei Tsuruoka Fujitsu Limited 36
#19 Masaharu Watanabe Terumo Kabushiki Kaisha 33
#20 Haruo Ishizuka Canon 32
#21 Masuyoshi Yamada Hitachi 31
#22 Yoshihiro Hirota Sumitomo Metal Industries 29
#23 Teruhisa Inoue Nippon Kayaku 28
#23 Noriyuki Yamashita Sony 28
#25 Tomochika Murakami Canon 27
#26 Koukichi Harada Eisai 26
#26 Yousuke Hata Canon 26
#26 Masanori Takagi Sumitomo Metal Mining Co. 26
#29 Akira Saitoh Tdk 25
#29 Eiji Nagao Fujitsu Limited 25
#31 Kenji Nakaya Tdk 24
#31 Yoshiyuki Shimamura Canon 24
#31 Shoji Sakamoto — 24
#31 Hajime Kamachi Bristol-Myers Squibb 24
#35 Yoshikazu Yoshimura Sumitomo Electric Industries 23
#35 Minoru Takaya Tdk 23
#35 Kazufumi Suzukawa Hitachi Ulsi Systems Co. 23
#38 Haruhiko Koyama Kabushiki Kaisha Toshiba 22
#38 Hiroshi Terunuma Nikon 22
#38 Yuji Takatsuka Mitsubishi Electric 22
#41 Riichirou Aoki Kabushiki Kaisha Toshiba 21
#42 Hideyuki Shirai Fujifilm 20
#42 Katsuhiro Miura Namco 20
#42 Norio Karibe Eisai 20
#45 Tetsuro Yamasaki Takasago International 19
#45 Toshiki Aoi Tdk 19
#45 Tadashi Matsunaga National University Orporation Tokyo University Of Agriculture And Technology 19
#45 Asim Munawar IBM 19
#49 Tomoaki Goto Sumitomo Chemical 18
#50 Yasumi Uchida Kowa Company 17