Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262069 | Filter cake scraping method and rotary drum filter using the same | — | 1993-11-16 |
| 5215350 | Lumbar support device | — | 1993-06-01 |
| 5011223 | Lumbar support device for vehicle seat | — | 1991-04-30 |
| 4454748 | Apparatus for measuring the content of hydrogen dissolved in a molten metal | Shiro Terai, Shiro Sato, Masaya Imai, Susumu Inumaru, Masahiro Yoshida | 1984-06-19 |