Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044148 | Modified styrene-maleic acid copolymer and use thereof | Takeshi Yoshimura, Tetsuya Maekawa, Takaharu Nakagawa | 2011-10-25 |
| 7696378 | Depolymerization process | Masaru Hidaka, Takaharu Nakagawa, Tetsuya Maekawa, Hiroyuki Yoshida | 2010-04-13 |
| 7601760 | Method of decomposing plastic | Masaru Hidaka, Takaharu Nakagawa, Tetsuya Maekawa | 2009-10-13 |