Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525721 | Acetylation method for material containing cellulose, and manufacturing method for modified wood | Yoshihiro Hirano, Akira Yamamoto | 1996-06-11 |
| 5291387 | Switching voltage regulator with protective device against thermal breakdown | — | 1994-03-01 |
| 5268595 | Voltage detector for producing output signal without transient error level | — | 1993-12-07 |