Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256932 | Color cathode ray tube | Tetsuya Watanabe, Morio Yamamoto, Hiroshi Kimura, Masayasu Koitabashi | 1993-10-26 |
| 5170093 | Method for manufacturing color cathode ray tube | Morio Yamamoto, Tetsuya Watanabe, Kozoo Nukui, Katsuhiro Ono | 1992-12-08 |