Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854555 | Diaphragm type air springs | Fujio Ohkawa, Akira Higashidani | 1989-08-08 |
HM
Hiroyuki Maeda
Overall (1989): #104,908 of 140,708Top 75%
1
Patents 1989