Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656404 | Light receiving member with an amorphous silicon photoconductive layer containing fluorine atoms in an amount of 1 to 95 atomic ppm | Hiroaki Niino, Tetsuya Takei, Ryuji Okamura, Shigeru Shirai | 1997-08-12 |
| 5582648 | Apparatus for preparing a functional deposited film by microwave plasma chemical vapor deposition | Hiroyuki Katagiri, Tetsuya Takei | 1996-12-10 |
| 5582944 | Light receiving member | Masaaki Yamamura, Junichiro Hashizume, Kazuyoshi Akiyama, Shigeru Shirai | 1996-12-10 |
| 5338580 | Method of preparation of functional deposited film by microwave plasma chemical vapor deposition | Hiroyuki Katagiri, Tetsuya Takei | 1994-08-16 |
| 5129359 | Microwave plasma CVD apparatus for the formation of functional deposited film with discharge space provided with gas feed device capable of applying bias voltage between the gas feed device and substrate | Tetsuya Takei, Hiroyuki Katagiri | 1992-07-14 |