Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700424 | System for preparing aluminum alloy strip having improved formability and bake hardenability | Zhu Yan | 1997-12-23 |
| 5695002 | High-cycle regenerative heat exchanger | Ryoichi Tanaka | 1997-12-09 |
| 5687764 | Four-port valve | Ryoichi Tanaka, Makoto Miyata | 1997-11-18 |
| 5626104 | Boiler with increased flame temperature and output | Ryoichi Tanaka, Yosuke Kataoka, Hitoshi Yahara | 1997-05-06 |