Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12119203 | Ion beam processing apparatus, electrode assembly, and method of cleaning electrode assembly | Yasushi Yasumatsu, Naoyuki Okamoto, Masashi Tsujiyama | 2024-10-15 |
| 11355314 | Ion beam processing apparatus, electrode assembly, and method of cleaning electrode assembly | Yasushi Yasumatsu, Naoyuki Okamoto, Masashi Tsujiyama | 2022-06-07 |
| 10879040 | Ion beam processing apparatus, electrode assembly, and method of cleaning electrode assembly | Yasushi Yasumatsu, Naoyuki Okamoto, Masashi Tsujiyama | 2020-12-29 |
| 10224179 | Ion beam processing apparatus, electrode assembly, and method of cleaning electrode assembly | Yasushi Yasumatsu, Naoyuki Okamoto, Masashi Tsujiyama | 2019-03-05 |
| 6406742 | Method of manufacturing a cathode ray tube and apparatus manufacturing the same | Takahiro Hasegawa, Shigeru Sugawara, Fumio Miyanaga, Katsumi Yaha | 2002-06-18 |
| 6229256 | Cathode ray tube having high resistance film on the inner wall of the neck | Shigeru Sugawara, Takahiro Hasegawa | 2001-05-08 |
| 6121724 | Color cathode ray tube with high resistance film in the electron gun | Takahiro Hasegawa, Shigeru Sugawara | 2000-09-19 |
| 5952777 | Color cathode ray tube | Shigeru Sugawara, Takahiro Hasegawa | 1999-09-14 |
| 5923123 | Electron gun assembly for cathode ray tube with a voltage stabilizing suppressor ring | Takahiro Hasegawa, Shigeru Sugawara, Junichi Kimiya | 1999-07-13 |