Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8421354 | Photocathode, photomultiplier and electron tube | Shinichi Yamashita, Hiroyuki Watanabe | 2013-04-16 |
| 4286294 | Recording/reproducing system | Shunsaku Nakauchi | 1981-08-25 |