Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5715806 | Multi-wire saw device for slicing a semi-conductor ingot into wafers with a cassette for housing wafers sliced therefrom, and slicing method using the same | Junzo Wakuda | 1998-02-10 |
| 5160967 | Image forming apparatus with layer thinning detection | — | 1992-11-03 |
| 5019862 | Heat control for photoreceptor | Masatsugu Nakamura, Kunio Ohashi, Shoichi Nagata, Kazuki Wakita, Katsuhiro Nagayama | 1991-05-28 |
| 4910111 | Electrophotographic photoreceptor comprising amorphous silicon layer coated with amorphous inorganic material | Kazuki Wakita, Syoichi Nagata, Masatsugu Nakamura, Kunio Ohashi, Katsuhiro Nagayama | 1990-03-20 |
| 4757345 | Electrophotographic system | Kunio Ohashi, Kazuki Wakita, Syoichi Nagata, Masatsugu Nakamura, Kazuo Maeyama | 1988-07-12 |
| 4683186 | Doped amorphous silicon photoconductive device having a protective coating | Kunio Ohashi, Shoichi Nagata, Masatsugu Nakamura | 1987-07-28 |
| 4643559 | Electrophotographic copying method | — | 1987-02-17 |
| 4632894 | Photoconductive device having photoconductive layer containing hydroxyl radicals | Kunio Ohashi, Shoichi Nagata, Masatsugu Nakamura | 1986-12-30 |