Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9517476 | Centrifuge with acceleration and deceleration time display | Hisanobu Ooyama, Hiroyuki Takahashi, Shoji Kusumoto, Yuki Shimizu | 2016-12-13 |
| 8852069 | Centrifuge with vacuum pump configured of auxiliary vacuum pump and oil diffusion pump | Hiroyuki Takahashi | 2014-10-07 |
| 8409068 | Centrifuge with vacuum pump and control method thereof | Kouichi Akatsu, Masahiro Inaniwa, Hisanobu Ooyama | 2013-04-02 |
| 5005051 | Electrophotographic image recording apparatus using amorphous silicon hydride photosensitive drum | Yhuzi Furuya, Akio Tsujita | 1991-04-02 |