Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495965 | Cold cathode electronic device | Tatsuo Yamaura, Shigeo Itoh, Gentaro Tanaka, Yuji Uchida | 2002-12-17 |
| 6067819 | Method for manufacturing glass container and apparatus therefor | Gentaro Tanaka, Takeshi Tonegawa, Naoya Takagi | 2000-05-30 |
| 5789858 | Envelope for vacuum electronic device | Shigeo Itoh, Takeshi Tonegawa, Mikio Yokoyama | 1998-08-04 |
| 5635795 | Getter chamber for flat panel displays | Shigeo Itoh, Takeshi Tonegawa, Mikio Yokoyama | 1997-06-03 |