Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695002 | High-cycle regenerative heat exchanger | Mamoru Matsuo | 1997-12-09 |
| 5687764 | Four-port valve | Mamoru Matsuo, Makoto Miyata | 1997-11-18 |
| 5628629 | Industrial furnace and a burner for conducting regenerative combustion and a combustion method therefor | Kazuhisa Mitani, Tomohiko Nishiyama | 1997-05-13 |
| 5626104 | Boiler with increased flame temperature and output | Mamoru Matsuo, Yosuke Kataoka, Hitoshi Yahara | 1997-05-06 |