Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830605 | Combustion apparatus and method of forcibly circulating a heating medium in a combustion apparatus | Haruyoshi Nitta | 1989-05-16 |
| 4743195 | Combustion apparatus for forcibly circulating a heating medium in a combustion apparatus | Haruyoshi Nitta | 1988-05-10 |
| 4662839 | Combustion apparatus and method of forcibly circulating a heating medium in a combustion apparatus | Haruyoshi Nitta | 1987-05-05 |