Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657374 | Cathode ray tube | Kazushi Nagasawa, Hideya Ito, Takashi Sugahara, Hiroo Sakamoto, Shiro Takada +2 more | 2003-12-02 |
| 5304890 | Cathode ray tube device having reinforcing frame | Keitaro Tsukui, Junko Itoh, Kenichi Umino, Kouji Nakamura | 1994-04-19 |