Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304185 | Facsimile | — | 1989-10-24 |
| D303382 | Telephone | — | 1989-09-12 |
| D302156 | Telephone | Masaki Takahashi | 1989-07-11 |
TY
Tsutomu Yoshihara
Overall (1989): #6,445 of 140,708Top 5%
3
Patents 1989