Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711612 | Dynamic pressure bearing | Masao Itoh, Yoshio Iwamura | 1998-01-27 |
| 5656228 | Injection molding method | Masaki Fujii, Shinjiro Saihara | 1997-08-12 |
| 5566598 | Method for surface processing of a photoreceptor base for electrophotography | Sunao Kawada, Masataka Inagi, Masao Itoh, Takayoshi Hashimoto, Akira Ohira | 1996-10-22 |
| 5538347 | Dynamic pressure bearing | Masao Itoh, Yuko Takahashi, Yoshio Iwamura | 1996-07-23 |
| 5506786 | Cutting apparatus | Masao Itoh, Masataka Inagi, Sunao Kawada, Takayoshi Hashimoto | 1996-04-09 |
| 5463503 | Method for producing a polygon mirror | Sunao Kawada, Masataka Inagi, Yoshio Iwamura, Takayoshi Hashimoto | 1995-10-31 |
| 5228369 | Method of surface machining for substrate of electrophotographic photoreceptor | Masao Itoh, Sunao Kawada, Masataka Inagi, Takayoshi Hashimoto | 1993-07-20 |
| 5170683 | Method for surface-processing of a photoreceptor base for electrophotography | Sunao Kawada, Masataka Inagi, Masao Itoh, Takayoshi Hashimoto, Shinichi Kawano | 1992-12-15 |
| 5003851 | Method of manufacturing a photoreceptor | Sunao Kawada, Takayoshi Hashimoto, Makoto Koyanagi | 1991-04-02 |
| 4639072 | Optical beam scanning apparatus including a cylindrical lens having its opposite ends closer to the scanned plane than its medial portion | Toshio Muramatsu | 1987-01-27 |
| 4496209 | Optical beam scanning apparatus including a cylindrical lens having its opposite ends closer to the scanned plane than its medial portion | Toshio Muramatsu | 1985-01-29 |