Issued Patents All Time
Showing 76–100 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243363 | Ink-jet recording head having bump-shaped electrode and protective layer providing structural support | Yasutomo Watanabe | 1993-09-07 |
| 5235351 | Liquid ejection recording head including a symbol indicating information used for changing the operation of the head | — | 1993-08-10 |
| 5231424 | Ink jet recording apparatus with efficient circulation recovery | Mineo Kaneko, Hidemi Kubota, Torachika Osada, Toshiaki Hirosawa, Jiro Moriyama | 1993-07-27 |
| 5221936 | Ink tank having a vent path opened and closed by a movable magnetic member | Atsushi Saito, Toshihiro Mori, Minoru Nozawa | 1993-06-22 |
| 5173717 | Ink jet recording head in which the ejection elements are driven in blocks | Hideaki Kishida, Akira Katayama, Kimiyuki Hayasaki, Nobuyuki Watanabe, Jiro Moriyama +4 more | 1992-12-22 |
| 5164747 | Ink jet head with testing resistors | Torachika Osada, Toshiaki Hirosawa, Jiro Moriyama, Hidemi Kubota, Mineo Kaneko | 1992-11-17 |
| 5132733 | Image forming apparatus having a plurality of developing unit | Kenichi Mizuma | 1992-07-21 |
| RE33844 | Transfer medium separation in a recording apparatus | Eiichi Akutsu | 1992-03-10 |
| 5075697 | Dual polarization transmission system | Shigeki Maeda | 1991-12-24 |
| 5006867 | Recording head for an ink jet recording apparatus having a plurality of temperature detection elements | Minoru Nozawa, Toshihiro Mori, Atsushi Saito | 1991-04-09 |
| 4987428 | Color image forming apparatus | Kazunori Bannai, Mitsuru Mamizuka | 1991-01-22 |
| 4947191 | Ink jet recording apparatus | Minoru Nozawa, Toshihiro Mori, Atsushi Saito | 1990-08-07 |
| 4933727 | Color recording apparatus | Kenichi Mizuma, Hideya Furuta, Mitsuru Mamizuka, Katsuo Sakai, Yoshihiro Sakai +3 more | 1990-06-12 |
| 4908636 | Recovery device having a protruding portion providing reduced pressure for improved recovery and method using same | Atsushi Saito, Toshihiro Mori, Minoru Nozawa | 1990-03-13 |
| 4896172 | Liquid injection recording apparatus including recording liquid circulation control | Minoru Nozawa, Toshihiro Mori, Atsushi Saito | 1990-01-23 |
| 4843292 | Direct drive motor system | Yutaka Ono, Yayoi Tsuchiya, Hitoshi Morimoto, Hideo Banzai, Yasuhiko Muramatsu +5 more | 1989-06-27 |
| 4772253 | Endless belt | Hidetoshi Yano, Hideki Akiyoshi | 1988-09-20 |
| 4751549 | Color copying machine | — | 1988-06-14 |
| 4746950 | Color copier | Mitsuru Mamizuka, Hideya Furuta, Yoshihiro Sakai | 1988-05-24 |
| 4742371 | Optical system for color copier | Hideya Furuta, Kazusige Taguchi, Yoshihiro Sakai | 1988-05-03 |
| 4690542 | Color copying apparatus | Hideya Furuta, Mitsuru Mamizuka, Yoshihiro Sakai | 1987-09-01 |
| 4675619 | Multiple quadrature-phase amplitude modulating system capable of reducing a peak amplitude | Junichi Uchibori, Toshihiko Ryu | 1987-06-23 |
| 4664501 | Method of and apparatus for producing duplicates in color | Hideya Furuta, Yoshihiro Sakai, Mitsuru Mamizuka, Tsukasa Adachi, Itsuo Ikeda +1 more | 1987-05-12 |
| 4662739 | Method of controlling copying machine operation | Yoshihiro Sakai, Mitsuru Mamizuka, Hideya Furuta | 1987-05-05 |
| 4610529 | Apparatus for recording color images | — | 1986-09-09 |