Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857499 | High temperature combustion catalyst and method for producing the same | Akio Ohkoshi, Kenjiro Shizukawa, Terunobu Hayata, Tomiaki Furuya, Susumu Yamanaka +1 more | 1989-08-15 |
| 4838649 | Apparatus for driving objective lens | Atsushi Ichikawa, Akira Saito | 1989-06-13 |