Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560900 | Cathode ray tube device with electromagnetic shield casing | Makoto Ikegaki, Masayuki Nakanishi, Tokuo Hashimoto | 1985-12-24 |
| 4504763 | Cathode ray tube provided with a potted base | Masayuki Nakanishi, Hirohisa Tsuruzoe, Tokuo Hashimoto | 1985-03-12 |