Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731353 | Heat-sensitive recording material | Nobuo Kanda, Mitsuru Kondo | 1988-03-15 |
| 4729984 | Heat sensitive recording sheets containing sulfone derivatives | Masayuki Omatsu, Mitsuru Kondo | 1988-03-08 |
| 4633277 | Heat-sensitive recording material | Toshitake Suzuki, Mitsuru Kondo | 1986-12-30 |
| 4612557 | Hydroxydiphenyl sulfone derivative and heat-sensitive recording material using the derivative | Toshitake Suzuki, Mitsuru Kondo | 1986-09-16 |