Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093793 | Fluorescent lamp made of glass and having particular composition | Tetsuo Asano, Hiroki Yamamoto, Takashi Naito | 2012-01-10 |
| 6750602 | Projection type cathode ray tube device employing a cathode ray tube having a neck composed of different-diameter portions | Katsumi Hirota, Kotaro Aoki, Kazumasa Hirai | 2004-06-15 |