Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563993 | Light fiber and a method for producing the same | Kengo Imamura, Kenji Matsumoto, Shinichi Irie | 2003-05-13 |
| 6519401 | Light fibers and methods for producing the same | Kengo Imamura, Kenji Matsumoto, Shinichi Irie | 2003-02-11 |
| 5475070 | Fluorine system water- and oil-repellent agent | Masahiro Ashizawa, Kengo Imamura, Makoto Nagase | 1995-12-12 |