YA

Yasuo Asahina

Ricoh Company: 45 patents #286 of 9,818Top 3%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
RC Richo Company: 1 patents #3 of 57Top 6%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #63,476 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
6770411 Negatively chargeable toner Minoru Masuda, Satoshi Mochizuki, Kazuhiko Umemura, Hideki Sugiura, Kohsuke Suzuki +1 more 2004-08-03
6500595 Carrier for electrophotographic developer, method for manufacturing the carrier, and coating liquid for the method Satoshi Mochizuki, Kohsuke Suzuki, Tomomi Suzuki 2002-12-31
6406826 Carrier for image developer for electrophotography Kousuke Suzuki, Satoshi Mochizuki, Tomomi Suzuki 2002-06-18
6363229 Full-color toner image fixing method and apparatus Keiko Shiraishi, Masanori Suzuki, Yohichiroh Watanabe, Kazuhito Watanabe, Masahide Yamashita +3 more 2002-03-26
6303258 Electrophotographic toner and image forming method using the toner Kohki Katoh, Satoshi Mochizuki, Tomomi Suzuki 2001-10-16
RE37197 Device for regenerating printed sheet-like recording medium Toru Iida, Michihito Ohashi, Yoshihiro Sakai, Shin-ichi Kuramoto, Shunichi Chiba +1 more 2001-05-29
6074794 Toner for dry developing Hiroyuki Fushimi, Kohki Katoh, Masami Tomita, Tomomi Suzuki 2000-06-13
5975446 Pulverizing apparatus Hiroshi Yaguchi, Masami Tomita, Hiroyuki Fushimi, Satoru Miyamoto, Tomomi Suzuki 1999-11-02
5840456 Color toner comprising two binder resins of differing softening point Masami Tomita, Hiroshi Yaguchi, Yasuaki Iwamoto, Satoru Miyamoto, Tomomi Suzuki 1998-11-24
5612766 Device for regenerating printed sheet-like recording medium Toru Iida, Michihito Ohashi, Yoshihiro Sakai, Shin-ichi Kuramoto, Shunichi Chiba +1 more 1997-03-18
5554478 Electrophotographic dry toner Shinichi Kuramoto, Yoshihisa Okamoto, Michio Izumi, Hidefumi Gohhara, Chiharu Mochizuki +3 more 1996-09-10
5545381 Device for regenerating printed sheet-like recording medium Toru Iida, Michihito Ohashi, Yoshihiro Sakai, Shin-ichi Kuramoto, Shunichi Chiba +1 more 1996-08-13
5403690 Developer for developing latent electrostatic images Shinichi Kuramoto, Michio Izumi, Yoshihisa Okamoto, Hiroaki Matsuda, Hidefumi Gohhara +2 more 1995-04-04
5344732 Multi-color electrophotographic image formation method Shunichi Chiba, Nobuhiro Nakayama, Yosihisa Okamoto, Kayo Makita 1994-09-06
5061588 Dry type toner for electrophotography Hiroyuki Fushimi, Nobuhiro Nakayama, Mitsuo Aoki, Kayo Makita 1991-10-29
4980258 Dry type developer for electrophotography Mitsuo Aoki, Nobuhiro Nakayama, Hiroyuki Fushimi, Kayo Makita, Yasuaki Iwamoto 1990-12-25
4945022 Triboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomer Nobuhiro Nakayama, Hiroyuki Fushimi, Yasuaki Iwamoto 1990-07-31
4933250 Magenta color toner for developing latent electrostatic images in color electrophotography Nobuhiro Nakayama, Mitsuo Aoki, Hiroyuki Fushimi, Kayo Makita 1990-06-12
4841331 Triboelectric charge application member for toner Nobuhiro Nakayama, Hiroyuki Fushimi, Yasuaki Iwamoto 1989-06-20
4762763 Toner for developing electrostatic latent image Yoshihiro Nomura, Noriaki Ide, Kazumi Ohtaki, Masami Tomita, Hachiro Tosaka +5 more 1988-08-09
4284875 Heat roller fixing apparatus Ryoichi Namiki, Yuichiro Higashi, Toshiyuki Kikuchi, Ichiro Fukushima, Setsuo Soga 1981-08-18