Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689644 | Pressure-sensitive recording sheets | Shojiro Sano | 1987-08-25 |
| 4601920 | Process for the preparation of color developer sheets for pressure-sensitive recording | Hirofumi Mitsuo | 1986-07-22 |
| 4559242 | Method of preparing color developer sheets | Hirofumi Mitsuo, Shojiro Watanabe | 1985-12-17 |
| 4356109 | Method for preparing microcapsules | Hiroharu Matsukawa, Masato Satomura | 1982-10-26 |
| 4251386 | Method for preparing microcapsules | Hiroharu Matsukawa, Masato Satomura | 1981-02-17 |
| 4220356 | Recording materials containing chromenoindoles | Hideo Usui, Sadao Ishige | 1980-09-02 |
| 4219604 | Method of forming microcapsules, microcapsular dispersion, and pressure sensitive recording sheet | Fujio Kakimi, Yoshiyuki Hoshi | 1980-08-26 |