Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994586 | Method for preparing epoxy compound | Nobumasa Arashiba, Takashi Shimizu, Masaru Takeshita | 1991-02-19 |
| 4840863 | Positively chargeable toner for use in dry electrophotography | Hiroshi Nagase | 1989-06-20 |
| 4652511 | Process for producing resin composition useful as electrophotograhic toner | Hikoji Ueda, Kenji Sano, Katuyuki Takano | 1987-03-24 |
| 4233309 | Novel 1-substituted-3-acylpyrrole derivatives, platelet aggregation inhibitors containing them, as active ingredients, and processes for production of said derivatives | Toshio Tanaka, Seizi Kurozumi, Toshio Wakabayashi | 1980-11-11 |