Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886999 | Cathode ray tube apparatus with quadrupole electrode structure | Hisakazu Yamane, Ritsuo Ishida, Hisao Nakanishi, Keiji Yanai, Masayuki Toshiyasu +4 more | 1989-12-12 |
| 4806871 | Synchrotron | Souitirou Okuda, Tadatoshi Yamada, Shunji Yamamoto, Tetsuya Matsuda | 1989-02-21 |