Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878462 | Engine valve operating apparatus | Toru Kurisu | 1989-11-07 |
TK
Tuneo Kodama
Overall (1989): #136,510 of 140,708Top 100%
1
Patents 1989