Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527385 | Thermochromic composition | Fumiko Sakai, Yasuyuki Yoshimura | 1996-06-18 |
| 5503781 | Microencapsulation process | Yasuyuki Yoshimura | 1996-04-02 |
| 5478361 | Dyeing method | Yasuyuki Yoshimura | 1995-12-26 |
| 5350633 | Thermochromic composition | Fumiko Sakai, Yasuyuki Yoshimura | 1994-09-27 |
| 5350634 | Thermochromic composition | Fumiko Sakai, Yasuyuki Yoshimura | 1994-09-27 |
| 5180637 | Double-walled microcapsules and a process for preparation of same | — | 1993-01-19 |