Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314780 | Method for treating metal substrate for electro-photographic photosensitive member and method for manufacturing electrophotographic photosensitive member | Hirokazu Ohtoshi, Ryuji Okamura, Hiroyuki Katagiri, Yasuyoshi Takai | 1994-05-24 |
| 5284730 | Electrophotographic light-receiving member | Shigeru Shirai, Hirokazu Ohtoshi, Ryuji Okamura, Yasuyoshi Takai, Hiroyuki Katagiri | 1994-02-08 |
| 5273851 | Electrophotographic light-receiving member having surface region with high ratio of Si bonded to C | Shigeru Shirai, Hirokazu Ootoshi, Ryuji Okamura, Yasuyoshi Takai | 1993-12-28 |
| 5232507 | Apparatus for forming deposited films with microwave plasma CVD method | Hirokazu Ohtoshi, Ryuji Okamura, Yasuyoshi Takai | 1993-08-03 |
| 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 | Hiroyuki Katagiri, Toshiyasu Shirasuna | 1992-07-14 |
| 5130170 | Microwave PCVD method for continuously forming a large area functional deposited film using a curved moving substrate web with microwave energy with a directivity in one direction perpendicular to the direction of microwave propagation | Masahiro Kanai, Jinsho Matsuyama, Katsumi Nakagawa, Toshimitsu Kariya, Yasushi Fujioka +1 more | 1992-07-14 |
| 5114770 | Method for continuously forming functional deposited films with a large area by a microwave plasma CVD method | Hiroshi Echizen, Yasushi Fujioka, Katsumi Nakagawa, Masahiro Kanai, Toshimitsu Kariya +1 more | 1992-05-19 |
| 5061511 | Method for forming functional deposited films by means of microwave plasma chemical vapor deposition method | Keishi Saitoh, Junichiro Hashizume, Shigehira Iida, Takayoshi Arai | 1991-10-29 |
| 5030476 | Process and apparatus for the formation of a functional deposited film on a cylindrical substrate by means of microwave plasma chemical vapor deposition | Ryuji Okamura, Hirokazu Otoshi | 1991-07-09 |
| 4957772 | Method for forming functional deposited films by means of microwave plasma chemical vapor deposition method | Keishi Saitoh, Junichiro Hashizume, Shigehira Iida, Takayoshi Arai | 1990-09-18 |
| 4953498 | Microwave plasma CVD apparatus having substrate shielding member | Junichiro Hashizume, Shigehira Iida, Keishi Saitoh, Takayoshi Arai | 1990-09-04 |
| 4930442 | Microwave plasma CVD apparatus having an improved microwave transmissive window | Shigehira Iida, Takayoshi Arai, Junichiro Hashizume, Keishi Saitoh | 1990-06-05 |
| 4904556 | Electrophotographic process using light receiving member with buffer layer containing silicon and aluminum atoms on aluminum substrate | Hiroshi Amada, Naoko Shirai | 1990-02-27 |
| 4897281 | Process for the formation of a functional deposited film by way of microwave plasma CVD method | Takayoshi Arai, Shigehira Iida, Keishi Saitoh, Junichiro Hashizume | 1990-01-30 |
| 4897284 | Process for forming a deposited film on each of a plurality of substrates by way of microwave plasma chemical vapor deposition method | Takayoshi Arai, Shigehira Iida, Junichiro Hashizume, Keishi Saitoh | 1990-01-30 |
| 4845001 | Light receiving member for use in electrophotography with a surface layer comprising non-single-crystal material containing tetrahedrally bonded boron nitride | Keishi Saito, Tatsuyuki Aoike, Yasushi Fujioka | 1989-07-04 |
| 4840139 | Apparatus for the formation of a functional deposited film using microwave plasma chemical vapor deposition process | — | 1989-06-20 |
| 4795691 | Layered amorphous silicon photoconductor with surface layer having specific refractive index properties | Tatsuyuki Aoike, Minoru Kato, Keishi Saito | 1989-01-03 |
| 4786573 | Layered light receiving member for electrophotography comprising buffer layer | Hiroshi Amada, Naoko Shirai | 1988-11-22 |
| 4674865 | Cleaning device | Hideki Tada, Michio Ito, Kazuki Tanaka, Nobuyuki Kume, Hiroki Kisu | 1987-06-23 |