Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879074 | Method for coating soot on a melt contact surface | Hideho Yoshioka, Hiroyoshi Oba, Kiyoshi Fujino | 1989-11-07 |
| 4860542 | Piston-cylinder pulsator circuit with superplastic alloy pressure transmitting medium | Haruaki Hatayama, Hideo Takei, Takuji Okabe, Toyoaki Ueno | 1989-08-29 |