Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5880064 | Carbonless pressure-sensitive copying paper | Hironori Wada | 1999-03-09 |
| 5252393 | Thermal delayed-tack adhesive compositions and thermal delayed-tack adhesive sheets | Hirokazu Tsukahara | 1993-10-12 |
| 4833023 | Thermal delayed tack sheets | Hirokazu Tsukahara, Masashi Yoda | 1989-05-23 |
| 4745026 | Thermal delayed tack sheets | Hirokazu Tsukahara, Masashi Yoda | 1988-05-17 |
| 4640714 | Alcohol-based flexographic ink for use in backcarbon papers | Hideaki Senoh | 1987-02-03 |
| 4566907 | Color-developing ink for non-carbon copying paper | — | 1986-01-28 |
| 4291102 | Desensitizer for no-carbon copy paper | Hirokazu Tsukahara, Mitsuru Fuchigami | 1981-09-22 |
| 4268634 | Desensitizer for no-carbon copy paper | Hirokazu Tsukahara, Mitsuru Fuchigami | 1981-05-19 |