Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857499 | High temperature combustion catalyst and method for producing the same | Masamichi Ito, Akio Ohkoshi, Kenjiro Shizukawa, Tomiaki Furuya, Susumu Yamanaka +1 more | 1989-08-15 |