Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9018339 | Diol, and polycarbonate resin or polyester resin | Katsumoto Hosokawa, Takahiro Kojima, Toshikazu Takata, Kazuko Nakazono, Yasuhiro Kohsaka +2 more | 2015-04-28 |
| 8735531 | Diol, and polycarbonate resin or polyester resin | Katsumoto Hosokawa, Takahiro Kojima, Toshikazu Takata, Kazuko Nakazono, Yasuhiro Kohsaka +2 more | 2014-05-27 |
| 7763291 | Tea polyphenol composition and method for producing the same | Yukihiko Hara | 2010-07-27 |