Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098289 | Photochromic composition | — | 2024-09-24 |
| 11267978 | Reversibly thermochromic aqueous ink composition and writing instrument using the same | Katsuyuki Fujita, Masayuki MITA, Tomoyuki Yamamura | 2022-03-08 |
| 10556849 | Method for producing methanol and apparatus for producing methanol | Kohei Uchida, Takuya OKAMURA, Daigo Hirakawa | 2020-02-11 |
| 10252963 | Method for producing methanol and apparatus for producing methanol | Kohei Uchida, Hiroshi Watanabe, Daigo Hirakawa, Tatsuya Hasegawa | 2019-04-09 |