Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4507940 | Air conditioning apparatus of the type embedded within a ceiling | Mineo Sato, Tadaaki Kawaguchi, Yukinori Okawachi | 1985-04-02 |
| 4448037 | Combined air conditioning and hot water service system | Hiroaki Hama, Masami Imanishi, Seiichi Kato | 1984-05-15 |