MH

Masaaki Hiro

Canon: 19 patents #3,464 of 19,416Top 20%
CC Copyer Co.: 1 patents #24 of 51Top 50%
Overall (All Time): #241,868 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7008977 Colored fine resin particles and production process thereof, aqueous dispersion of colored fine resin particles and production process of aqueous dispersion of colored fine resin particles, ink , ink cartridge, recording unit, ink-jet recording apparatus, and ink-jet recording process Junichi Sakai, Hideyuki Takai, Keishi Danjo, Makiko Endo 2006-03-07
6811839 Recording medium and image forming process using the same Kenji Shinjo, Katsutoshi Misuda 2004-11-02
6619791 Aqueous ink, organic pigment powder, ink cartridge, recording unit and ink-jet recording apparatus Shinichi Tochihara, Shoji Koike, Koromo Shirota 2003-09-16
5096755 Packaging medium for electrophotographic photosensitive member Masaru Nakagawa, Yoichi Kawamorita 1992-03-17
5008168 Photosensitive member for electrophotography Masaru Nakagawa, Fumio Sumino, Noboru Kashimura, Shin Nagahara 1991-04-16
4980254 Electrophotographic photosensitive member having charge generator pigment of specified particle size distribution 1990-12-25
4974964 Apparatus for preparing electrophotographic photosensitive members Toshiyuki Yoshihara, Yoichi Kawamorita, Tomohiro Kimura, Masaru Nakagawa 1990-12-04
4932860 Electrophotographic photosensitive member Toshiyuki Yoshihara, Yoichi Kawamorita, Masaru Nakagawa, Fumio Sumino, Noboru Kashimura +2 more 1990-06-12
4877701 Photosensitive member for electrophotography Tomohiro Kimura, Hisami Tanaka, Noboru Kashimura, Shigemori Tanaka, Hitoshi Tohma +1 more 1989-10-31
4863823 Electrophotographic member with the surface layer having a fluorine type resin powder and a fluorine type block polymer Tomohiro Kimura, Toshiyuki Yoshihara, Yoichi Kawamorita, Masaru Nakagawa 1989-09-05
4860898 Packaging arrangement for electrophotographic photosensitive member Masaru Nakagawa, Yoichi Kawamorita, Koji Yamazaki 1989-08-29
4818654 Electrophotographic photosensitive member with combination of polymethyl methacrylate resins Toshiyuki Yoshihara 1989-04-04
4803140 Electrophotographic photosensitive member 1989-02-07
4792507 Electrophotographic member with surface layer having fluorine resin powder and fluorine graft polymer Toshiyuki Yoshihara, Tomohiro Kimura 1988-12-20
4788119 Electrophotographic photosensitive member containing a disazo pigment Masataka Yamashita, Hajime Miyazaki, Takao Takiguchi, Masakazu Matsumoto, Shozo Ishikawa 1988-11-29
4716091 Electrophotographic member with silicone graft copolymer in surface layer Toshiyuki Yoshihara, Katsunori Watanabe 1987-12-29
4654288 Electrophotographic photosensitive member and process for forming electrophotographic images using same Tetsuo Hasegawa 1987-03-31
4632892 Photosensitive member with resin having low oligomer content in charge transport layer Yuichi Yashiki, Hideki Anayama 1986-12-30
4551404 Disazo electrophotographic photosensitive member Yoshio Takasu, Shozo Ishikawa, Kazuharu Katagiri, Hideyuki Takahashi 1985-11-05