Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870995 | Hose | Shigeru Igarashi | 1989-10-03 |
| 4826925 | Rubber compositions | Tetsu Kitami | 1989-05-02 |
OO
Osamu Ozawa
Overall (1989): #18,964 of 140,708Top 15%
2
Patents 1989