Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624776 | Electrophotographic photosensitive member provided with a light receiving layer composed of a non-single crystal silicon material containing columnar structure regions and process for the production thereof | Tetsuya Takei, Hirokazu Ohtoshi, Takehito Yoshino, Ryuji Okamura | 1997-04-29 |
| 5597623 | Process for using microwave plasma CVD | Tetsuya Takei, Hirokazu Otoshi, Ryuji Okamura | 1997-01-28 |