Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384247 | Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating the same | Yoshiaki Ono | 2022-07-12 |
| 11267978 | Reversibly thermochromic aqueous ink composition and writing instrument using the same | Katsuyuki Fujita, Yasuaki Kambe, Tomoyuki Yamamura | 2022-03-08 |