SO

Shigeru Okamura

Canon: 19 patents #3,464 of 19,416Top 20%
SC Shinko Electric Industries Co.: 4 patents #182 of 723Top 30%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
NP Nippon Telegraph And Telephone Public: 3 patents #61 of 842Top 8%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
TC Tsubakimoto Chain: 1 patents #320 of 593Top 55%
NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
Overall (All Time): #109,022 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 25 most recent of 33 patents

Patent #TitleCo-InventorsDate
6591494 Method for manufacturing a non-contact type IC card Tomoharu Fujii 2003-07-15
6556175 Non-contact type IC card, antenna and antenna frame for IC card Tomoharu Fujii 2003-04-29
6552694 Semiconductor device and fabrication method thereof Tomoharu Fujii, Tsutomu Higuchi, Masatoshi Akagawa 2003-04-22
6380614 Non-contact type IC card and process for manufacturing same Tsutomu Higuchi, Tomoharu Fujii, Tsuyoshi Sato, Takayoshi Wakabayashi, Masatoshi Akagawa 2002-04-30
6070867 Sheet supplying apparatus Yuzuru Tsurumi, Hiroyuki Ishii, Takeshi Niimura, Ryuichi Kojima, Masahide Tanoue +1 more 2000-06-06
5581282 Ink jet recording apparatus with two cleaning members 1996-12-03
5432226 Rubber formulation and process for preparing same Mitsuyoshi Aonuma, Meyer Soria, Paul Branlard 1995-07-11
5191382 Image forming system Koichi Miyamoto, Yutaka Kikuchi, Naoki Asano, Hideo Saito, Hitoshi Ishihama 1993-03-02
5182582 Ink jet recording apparatus with cleaning means that cleans lighter-ink discharge portions before darker-ink discharge portions 1993-01-26
5102247 Sheet conveying device Shigeyasu Nagoshi 1992-04-07
5087225 Oil tensioner with bell-shaped oil filter Yuichi Futami, Masao Murano 1992-02-11
5030169 Chain tensioner Kimitsugu Kiso 1991-07-09
4963808 Motor control apparatus Akira Torisawa, Noriaki Itou, Masaaki Kakizaki, Hiroshi Kato 1990-10-16
4900173 Method and apparatus for feeding sheet 1990-02-13
4795717 Method for producing semiconductor device 1989-01-03
4745414 Recovery device for an ink jet recorder and a recovery method thereof Shigeyasu Nagoshi, Toshiyuki Ohnishi 1988-05-17
4734750 High electron mobility heterojunction semiconductor devices Tomonori Ishikawa 1988-03-29
4698566 Apparatus for controlling motor speed 1987-10-06
4668960 Recording apparatus with dual-purpose guide 1987-05-26
4641034 Ion implantation apparatus and method for maskless processing Takao Taguchi 1987-02-03
4592054 Decoder with code error correcting function Toshihiko Namekawa, Masao Kasahara, Kinichiro Tokiwa, Tohru Inoue 1986-05-27
4590495 Multi-color ink jet printer 1986-05-20
4513297 Ink jet printer reservoir 1985-04-23
4463672 Printing apparatus having stain preventing means Mineo Nozaki, Toshiaki Ozawa, Osamu Asakura, Hiroatsu Kondo 1984-08-07
4415886 Residual ink detection mechanism Hiroshi Kyogoku, Shigemitsu Tazaki, Koji Terasawa 1983-11-15