Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604848 | Method for continuously mixing polyester resins | Tatsuya Tanaka, Kazuhisa Fujisawa, Kazuko Saka, Koichi Fukushima, Yasuaki Yamane | 2003-08-12 |
| 6409949 | Method for thickening a polyester resin | Tatsuya Tanaka, Kazuhisa Fujisawa, Kazuko Saka, Koichi Fukushima, Yasuaki Yamane | 2002-06-25 |
| 6329309 | Glass with high specific rigidity for recording medium | Moriyoshi Kanamaru, Kazutaka Kunii, Takao Kawanaka | 2001-12-11 |
| 4565622 | Method of liquefying brown coal | Yukio Nakako, Tetsuo Matsumura, Toshio Ozawa, Kaizaburo Saito, Shin-ichi Katsushima +4 more | 1986-01-21 |