Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11698142 | Electromagnetic valve | Shinji Itoh, Shotaro Hatanaka, Yasunari Azuma | 2023-07-11 |
| 5761922 | Low temperature display case | Hirokuni Tamai, Atsushi Todoroki, Hisao Sagara, Norikazu Ogushi | 1998-06-09 |