Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763495 | Compression membrane | Shoichi Hayashi, Norio Sakai | 1988-08-16 |
| 4680874 | Device for extracting water from a load of washed articles | Shoichi Hayashi, Taketoshi Okada, Kunio Kojima | 1987-07-21 |