Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6192694 | Absorption type refrigerating machine | Naoki Hiro, Tadato Fujihara, Yoshio Ozawa, Toshihiro Yamada | 2001-02-27 |
| 5938424 | Failure diagnosing apparatus for combustion systems | Norikazu Kubota, Tomohiko Oka | 1999-08-17 |
| 5623426 | Failure diagnosing system for absorption chillers | Yoshio Ozawa, Masashi Yasuda, Kazuaki Mizukami, Hiroyuki Suzuki, Masahiro Furukawa +1 more | 1997-04-22 |