Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627412 | Liquid fuel combustion apparatus | Katsuji Sawada, Yoshiaki Kimijima | 1986-12-09 |
| 4613072 | Apparatus for heating fluid by burning liquid fuel | Kunio Kikuchi | 1986-09-23 |