Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690407 | Shutter for display device of projection type | Yoshiro Oikawa, Tetsuo Hattori | 1997-11-25 |
| 5613599 | Method of manufacturing a framed keytop sheet for a push-button switch | Jiro Inagaki, Atsushi Hari, Takashi Shinoki | 1997-03-25 |