Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187195 | Anthraquinone derivatives and preparation thereof | Nobutaka Oohata, Motoaki Nishikawa, Sumio Kiyoto, Shigehiro Takase, Keiji Hemmi +1 more | 1993-02-16 |
| 5061730 | Carboxylic acid derivatives | Itsuo Uchida, Hiroshi Hatanaka, Kumiko Nitta, Seiji Hashimoto, Masakuni Okuhara +1 more | 1991-10-29 |
| 4670259 | Compound FR-68504, production thereof and use thereof | Sumio Kiyoto, Yasuhisa Tsurumi, Hiroshi Terano, Masanobu Kohsaka | 1987-06-02 |