Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7412177 | Image forming apparatus | Shigemi Murata, Ryuji Hattori | 2008-08-12 |
| 6134396 | Developing apparatus | — | 2000-10-17 |
| 5915151 | Rotary-type developing unit | Ryuji Hattori, Shigemi Murata, Tetsuji Okamoto, Hirohisa Kohno | 1999-06-22 |
| 5503106 | Apparatus for collecting developer carrier in a electrophotographic machine | — | 1996-04-02 |
| 4927725 | Electrophotographic method | Hiroo Nishide | 1990-05-22 |