Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307870 | Heat exchanger | Sadayuki Kamiya, Mitsugu Nakamura, Norimasa Baba, Eiichi Torigoe, Teruhiko Kameoka +3 more | 1994-05-03 |
| 5304227 | Electret filters | Tsuneo Kishiba, Yoshio Shinagawa | 1994-04-19 |