Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838780 | Constant speed running control device for automobile | Testuo Yamagata | 1989-06-13 |
| 4797156 | Metal treated by a solution containing ferric ferrous salt | — | 1989-01-10 |
SY
Shoji Yamashita
I.B.E. Co.: 1 patents #1 of 1Top 100%
Overall (1989): #15,732 of 140,708Top 15%
2
Patents 1989