Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276471 | Image displaying device | Toshiyuki Yamauchi, Toshiki Takekuma, Naoki Kamaya | 1994-01-04 |
| 5189520 | Video camera modular accessory apparatus | Yoshisada Okayasu, Toshiyuki Yamauchi, Akinari Mori, Naoki Kamaya, Takanori Maruichi +3 more | 1993-02-23 |