Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6325862 | Method for removing stains from structural surfaces | — | 2001-12-04 |
| 6171406 | Method of removing stains from structural surface | — | 2001-01-09 |
| 4417163 | Buffer circuits | Masaru Uesugi, Nobuaki Ieda | 1983-11-22 |