Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5815775 | Color electro-photographic apparatus | Masashi Yamamoto, Nobuyoshi Hoshi, Seiji Maruo | 1998-09-29 |
| 5797075 | Image forming apparatus having improved toner carrier arrangement | Masahiko Saito, Kazushige Oonishi, Shoji Takeya, Isamu Terashima, Tetsuro Akasaki +1 more | 1998-08-18 |
| 5708939 | Developing apparatus and process for an electrophotographic process | Akiko Oikawa, Toshiya Satoh | 1998-01-13 |
| 5666599 | Color electro-photographic printing apparatus | Masashi Yamamoto, Nobuyoshi Hoshi, Seiji Maruo | 1997-09-09 |
| 5625857 | Image forming apparatus which measures deposit amounts of toner | Akira Shimada, Nobuo Tokoro, Shin Sato | 1997-04-29 |
| 5559578 | Electrostatic recording apparatus with electrified cap and managing system thereof | Takao Umeda, Osamu Namikawa, Isamu Komatsu, Tetsuya Nagata, Yasuo Takuma +1 more | 1996-09-24 |
| 5550626 | Image forming device for creating a color image having pixel elements of different thicknesses | Shinya Kobayashi, Kunio Satoh | 1996-08-27 |
| 5515144 | Apparatus for displaying image information recorded on a document and any modified data added thereto | Kozo Nakamura, Takao Umeda | 1996-05-07 |
| 5504556 | Electrostatic recording apparatus, method of controlling the apparatus, and method of evaluating life of photoconductive member of electrostatic recording apparatus | Takao Umeda, Osamu Namikawa, Isamu Komatsu | 1996-04-02 |
| 5404201 | Electrostatic recording apparatus, method of controlling the apparatus, and method of evaluating life of photoconductive member of electrostatic recording apparatus | Takao Umeda, Osamu Namikawa, Isamu Komatsu | 1995-04-04 |
| 5365325 | Method of multi-color recording using electro-photography process and apparatus therefor wherein mixed colors generation is prevented | Takao Kumasaka, Yuzuru Shimazaki, Yukio Otome | 1994-11-15 |
| 5177531 | Electrostatic recorder and electrostatic latent image measuring instrument | Takao Umeda, Tetsuya Nagata, Tatsuo Igawa | 1993-01-05 |
| 5138380 | Electrostatic recording apparatus, method of controlling the apparatus, and method of evaluating life of photoconductive member of electrostatic recording apparatus | Takao Umeda, Osamu Namikawa, Isamu Komatsu | 1992-08-11 |