Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7807738 | Compound for color-producing composition, and recording material | Kazuo Kabashima, Hiroshi Kobayashi | 2010-10-05 |
| 7635662 | Compound for color-producing composition, and recording material | Kazuo Kabashima, Hiroshi Kobayashi | 2009-12-22 |