Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194028 | Apparatus and method of improving particle surface | Takahiro Horiuchi, Norihiro Ochi, Hiroshi Kubota, Yasuharu Morinishi, Hideshi Izumi | 2001-02-27 |
| 6110635 | Toner for electrophotography and a production method thereof | Yoshinori Urata, Tatsuo Imafuku, Toshihisa Ishida, Takahiro Bito, Tadashi Nakamura +2 more | 2000-08-29 |
| 5981129 | Electrophotographic toner and method of manufacturing same | Toshihiko Murakami, Tatuo Imafuku, Takeaki Ohuchi, Yasuharu Morinishi, Satoshi Ogawa +3 more | 1999-11-09 |
| 5974280 | Image forming apparatus having a toner concentration controlling mechanism based on a clocked time period for the recovery | Yuichiro Takesue, Tadashi Nakamura, Toshihiko Murakami, Junichi Saito, Tadayuki Sawai | 1999-10-26 |
| 5846683 | Toner producing method using recycled extra-fine toner particles | Toshihiko Murakami, Tadashi Nakamura, Junichi Saito, Yasuharu Morinishi, Takeaki Ouchi +1 more | 1998-12-08 |
| 5799881 | Method and system of producing toner | Yoshinori Urata, Takao Yoneda, Yasuharu Morinishi, Nobuhiko Nakano, Tadashi Nakamura +2 more | 1998-09-01 |
| 5759735 | Method for preparing developer for use in electrophotographic printing | Tadashi Nakamura, Kanshiro Okamoto, Hirofumi Sakita, Toshihiko Murakami | 1998-06-02 |