Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318997 | Method for production of open cell rigid polyurethane foam | Yoshihiko Tairaka | 1994-06-07 |
| 5313447 | Optical head | Nobuo Takeshita, Kenjiro Kime, Teruo Fujita, Hiroo Shimegi | 1994-05-17 |