Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352953 | Gas-filled discharge tube | Takashi Hirano, Yukio Sone, Toshikazu Ashizawa | 1994-10-04 |
| 5331249 | Discharge tube | Hajime Minamikata, Kiyoshi Yagi | 1994-07-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352953 | Gas-filled discharge tube | Takashi Hirano, Yukio Sone, Toshikazu Ashizawa | 1994-10-04 |
| 5331249 | Discharge tube | Hajime Minamikata, Kiyoshi Yagi | 1994-07-19 |