Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385958 | Baffle plate of an oil mist filter | Toshihiro Higashino | 1997-11-04 |
| 5679120 | Grease filter | Akira Yamada, Toshihiro Higashino | 1997-10-21 |
| 5207809 | Grease extractor | Toshihiro Higashino, Noriaki Yamamoto, Mizuo Edamura | 1993-05-04 |
| 5154743 | Grease extractor | Toshihiro Higashino | 1992-10-13 |