Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11267937 | Method for producing dihydroxynaphthalene condensate and dihydroxynaphthalene condensate | Daisuke KORI, Seiichiro Tachibana, Tsutomu Ogihara, Yukio Abe, Fumihiro Hatakeyama +1 more | 2022-03-08 |
| 9481751 | Curable resin, method of producing the same, and cured product | Youhei Umino, Yukio Abe | 2016-11-01 |
| 9403704 | Water treatment method and water treatment flocculant | Yasuhiro Ooi, Keijirou Tada, Yukio Abe, Takeshi Iizuka | 2016-08-02 |
| 6653418 | Process for preparing polymer compound for resist | Katsuhiro Maruyama, Satoru Yoshida, Hitoshi Mashio | 2003-11-25 |
| 6242533 | Novolak type phenol resin | Yoshiaki Kurimoto, Katsuhiro Maruyama, Akira Yoshitomo, Satoru Yoshida | 2001-06-05 |
| 6211328 | Phenol resin | Yoshiaki Kurimoto, Katsuhiro Maruyama, Akira Yoshitomo, Satoru Yoshida | 2001-04-03 |