Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11016380 | Projection video display apparatus | Koji Hirata, Masahiko Yatsu | 2021-05-25 |
| 10984254 | Investigation assist system and investigation assist method | Yuumi Miyake, Takahiro Yoshimura, Takamitsu Arai, Takeshi WAKAKO | 2021-04-20 |
| 10976174 | Investigation assist system and investigation assist method | Yuumi Miyake, Takahiro Yoshimura, Takamitsu Arai, Takeshi WAKAKO | 2021-04-13 |
| 10887564 | Projection video display apparatus and video display method therefor | Koji Hirata | 2021-01-05 |
| 10606161 | Projection video display apparatus | Koji Hirata, Masahiko Yatsu | 2020-03-31 |
| 6801098 | Group delay equalizer integrated with a wideband distributed amplifier monolithic microwave integrated circuit | Saphan Yok, Stephen R. Nelson | 2004-10-05 |
| 4533218 | Zoom lens operating mechanisms | Kunio Nakazato | 1985-08-06 |