Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977953 | Latent heat regenerating apparatus | Katsuaki Yamagishi, Koji Kashima, Akio Mitani | 1990-12-18 |
| 4652937 | Facsimile device | Kunio Yokoyama, Kuniaki Anbo, Kazuhiro Anzai | 1987-03-24 |