Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576735 | Polycarbonate resin | Tatsuya Kanagawa, Noriyoshi Ogawa, Noriaki Honda, Mitsuhiko Masumoto | 2003-06-10 |
| 6340737 | Polycarbonate resin and optical article used the same | Noriyoshi Ogawa, Tatsuya Kanagawa | 2002-01-22 |