Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858849 | Tape cassette housing | Masatoshi Okamura, Haruo Shiba, Kenji Hashizume | 1989-08-22 |
YS
Yoshiya Sakata
Overall (1989): #40,370 of 140,708Top 30%
1
Patents 1989