Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731056 | Color cathode ray tube having an improved electron gun | Hiroyuki Tamura, Masayoshi Misono | 2004-05-04 |
| 6348759 | Color cathode ray tube having an improved electron gun | Hiroyuki Tamura, Masayoshi Misono | 2002-02-19 |
| 6144151 | Color cathode ray tube having an improved electron gun | Hiroyuki Tamura, Masayoshi Misono | 2000-11-07 |
| 4280757 | Objective lens system for microscopes | — | 1981-07-28 |
| 4279477 | Objective lens system for microscopes | — | 1981-07-21 |
| 4251131 | Microscope objective | — | 1981-02-17 |
| 4232941 | Objective lens system for microscopes | — | 1980-11-11 |
| 4227773 | Objective lens system for microscopes | Toshifumi Uetake | 1980-10-14 |