Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4260179 | Color-developing sheet for pressure-sensitive recording sheets | Akihiro Yamaguchi, Tadashi Kobayashi, Keizaburo Yamaguchi, Hisamichi Murakami, Noboru Yamato +1 more | 1981-04-07 |