Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890310 | Spectral type radiation imaging system | Keiji Umetani, Ken Ueda, Ryuichi Suzuki | 1989-12-26 |
| 4881124 | X-ray television apparatus | Fumitaka Takahashi, Masayuki Tsuneoka | 1989-11-14 |
| 4809071 | Television camera device and x-ray television apparatus using the same | Masanori Maruyama, Fumitaka Takahashi, Masayuki Tsuneoka | 1989-02-28 |
| 4806757 | Information reading apparatus for radiation image | Tsuyoshi Kano, Tetsuhiko Takahashi, Kenichi Okajima, Kenji Umetani, Saburo Ataka +1 more | 1989-02-21 |