Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698945 | Deuterium gas discharge tube | Tomoyuki Ikedo, Yoshinobu Ito | 1997-12-16 |
| 5684363 | Deuterium gas discharge tube | Tomoyuki Ikedo, Yoshinobu Ito | 1997-11-04 |
| 5646487 | Lighting device for gas discharge tube with insulated discharge shielding member | Tomoyuki Ikedo, Yoshinobu Ito | 1997-07-08 |
| 5633563 | Gas discharge tube with discharge shielding member | Tomoyuki Ikedo, Yoshinobu Ito | 1997-05-27 |
| 5619101 | Gas discharge tube | Tomoyuki Ikedo, Yoshinobu Ito | 1997-04-08 |