Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689318 | Bisphenol having fluorene skeleton, method for producing same, polyarylate resin, (meth)acrylate compound and epoxy resin which are derived from the bisphenol | Takafumi Saiki, Ayumi Matsushima, Hideki Morio, Yuka Morinaga, Yoshinori Kawamura | 2020-06-23 |
| 6190557 | Spiral wound type membrane element, running method and washing method thereof | Hajimu Hisada | 2001-02-20 |
| 5569740 | Deproteinized natural rubber latex and its production process | Yasuyuki Tanaka, Kazuhiko Shibata, Kenichi Ikeda, Masaharu Hayashi, Shinichi Nakade +2 more | 1996-10-29 |
| 4640773 | Membrane separation apparatus | Yoshiyasu Kamiyama, Koichi Okuno | 1987-02-03 |