Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588371 | Safety device for pot-type oil burner | Kazuharu Nakamura, Motoki Matsumoto, Tooru Yoshino | 1986-05-13 |
| 4528974 | Protective guard for combustion appliance | Kazuharu Nakamura, Motoki Matsumoto, Yoshio Suzuki | 1985-07-16 |