Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6060206 | Photo- and heat-sensitive recording material and colorant produced from the material | Yasuhiro Mitamura, Atsuhiro Ohkawa | 2000-05-09 |
| 5521318 | Benzotriazolylacetyl compound | Katsuyoshi Yamakawa, Tadahisa Sato | 1996-05-28 |