Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6527384 | Decolorizable ink composition and ink jet printer using the ink composition | — | 2003-03-04 |
| 5164898 | System for determining hazardous substance exposure rate from concentration measurement and heart rate data | Haruhiko Sakurai, Toshiaki Higashi, Toshihiko Satoh, Yutaka Tomita | 1992-11-17 |