Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350497 | Plasma processing method | Hitoshi Murayama, Toshiyasu Shirasuna, Ryuji Okamura, Takashi Ohtsuka, Kazuto Hosoi | 2002-02-26 |
| 6347601 | Film forming apparatus | Kazuto Hosoi, Toshiyasu Shirasuna, Kazuhiko Takada, Ryuji Okamura, Hitoshi Murayama | 2002-02-19 |
| 6336423 | Apparatus for forming a deposited film by plasma chemical vapor deposition | Ryuji Okamura, Toshiyasu Shirasuna, Kazuhiko Takada, Hitoshi Murayama | 2002-01-08 |
| 6321759 | Method for cleaning a substrate | Ryuji Okamura, Toshiyasu Shirasuna, Kazuhiko Takada, Hitoshi Murayama, Kazuto Hosoi | 2001-11-27 |
| 6300225 | Plasma processing method | Ryuji Okamura, Tatsuyuki Aoike, Toshiyasu Shirasuna, Kazuhiko Takada, Hitoshi Murayama | 2001-10-09 |
| 6250251 | Vacuum processing apparatus and vacuum processing method | Tatsuyuki Aoike, Toshiyasu Shirasuna, Hitoshi Murayama, Takashi Otsuka, Daisuke Tazawa +1 more | 2001-06-26 |
| 6165274 | Plasma processing apparatus and method | Tatsuyuki Aoike, Toshiyasu Shirasuna, Kazuhiko Takada, Ryuji Okamura, Hitoshi Murayama | 2000-12-26 |
| 6155201 | Plasma processing apparatus and plasma processing method | Hitoshi Murayama, Toshiyasu Shirasuna, Ryuji Okamura, Takashi Ohtsuka, Kazuto Hosoi | 2000-12-05 |
| 6152071 | High-frequency introducing means, plasma treatment apparatus, and plasma treatment method | Atsushi Yamagami, Satoshi Takaki, Koji Teranishi | 2000-11-28 |
| 6148763 | Deposited film forming apparatus | Toshiyasu Shirasuna, Kazuhiko Takada, Ryuji Okamura, Hitoshi Murayama | 2000-11-21 |
| 5817181 | Process for forming deposited film for light-receiving member, light-received member produced by the process deposited film forming apparatus, and method for cleaning deposited film forming apparatus | Ryuji Okamura, Hitoshi Murayama, Koji Hitsuishi, Satoshi Kojima, Hirokazu Ohtoshi +1 more | 1998-10-06 |
| 5582944 | Light receiving member | Masaaki Yamamura, Toshiyasu Shirasuna, Junichiro Hashizume, Shigeru Shirai | 1996-12-10 |
| 5455138 | Process for forming deposited film for light-receiving member, light-receiving member produced by the process, deposited film forming apparatus, and method for cleaning deposited film forming apparatus | Ryuji Okamura, Hitoshi Murayama, Koji Hitsuishi, Satoshi Kojima, Hirokazu Ohtoshi +1 more | 1995-10-03 |
| 5407768 | Light-receiving member | Masaaki Yamamura, Ryuji Okamura, Koji Hitsuishi | 1995-04-18 |