Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683867 | Vacuum valve, vacuum pump, and vacuum pumping system | Masaya Nakamura, Junichiro Kozaki, Atsuo Nakatani | 2020-06-16 |
| 10599166 | Valve control device | Junichiro Kozaki, Atsuo Nakatani, Masaya Nakamura | 2020-03-24 |
| 10400775 | Vacuum valve and vacuum pump | Masaya Nakamura, Junichiro Kozaki, Atsuo Nakatani | 2019-09-03 |
| 4811050 | Apparatus for the forming of images with a cleaning device for a corona wire | Toru Tanjo, Toshio Yamanaka, Takahiro Wakikaido, Masaru Hatano, Kazuya Kamidaira | 1989-03-07 |
| 4623242 | Variable speed image-forming apparatus | Kiyoshi Hayashi, Setsuo Hori, Kazuhiro Kobayashi, Masayuki Mizuno | 1986-11-18 |
| 4557586 | Image-forming apparatus | Kiyoshi Hayashi, Setsuo Hori, Kazuhiro Kobayashi, Masayuki Mizuno | 1985-12-10 |