Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118443 | Developer for pressure-sensitive recording sheets, aqueous dispersion of the developer and method for preparing the developer | Toranosuke Saito, Takashi Ishibashi, Tomoharu Shiozaki | 1992-06-02 |
| 4950330 | Aqueous dispersion of a developer for pressure-sensitive recording sheet and a process for producing the same | Toranosuke Saito, Shouichi Murata, Eiji Kawabata, Tomoharu Shiozaki | 1990-08-21 |
| 4489336 | Pressure sensitive manifold paper | Shoji Aoyagi | 1984-12-18 |
| 4443614 | Triarylmethane derivatives | Mitsuru Kondo, Kiyoshi Yasui, Makoto Miyake, Hiroshi Iwasaki | 1984-04-17 |
| 4439610 | Process for preparing triarylmethane derivatives | Mitsuru Kondo, Kiyoshi Yasui, Makoto Miyake, Hiroshi Iwasaki | 1984-03-27 |
| 4219439 | Method of making oil-containing microcapsules | Makoto Miyake, Tomoharu Shiozaki, Shunsuke Shioi, Takao Matsushita | 1980-08-26 |