Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158611 | Paper coating composition | Shigeru Ura, Haruo Tanaka, Hisao Takagishi, Hiroko Fukuyama, heir, Takuya Fukuyama, heir +1 more | 1992-10-27 |
| 5034501 | Process for producing resin for paper coating | Shigeru Ura, Haruo Tanaka, Hisao Takagishi | 1991-07-23 |
| 4657954 | Poly (hydroxy ether) | Katsuyoshi Watanabe | 1987-04-14 |
| 4368299 | Epoxy resin compositions | Katsuyoshi Watanabe, Makoto Andoh, Yasuhisa Saito, Yasuteru Maeda | 1983-01-11 |