Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10265984 | Crystalline modification of N-(2-(3-phenylureido)phenyl)benzenesulfonamide and recording material using same | Hiroshi Sakai | 2019-04-23 |
| 10226957 | Recording material and recording sheet | Kazumi Hamakawa, Hiroshi Sakai, Kayoko Tada | 2019-03-12 |