Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817458 | Belt-pulley type steplessly variable transmission assembly | Masayoshi Shigemasa | 1989-04-04 |
HA
Hitoshi Akutagawa
Overall (1989): #105,834 of 140,708Top 80%
1
Patents 1989