Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809192 | Audio output device with speech synthesis technique | Isamu Washizuka, Kosuke Nishimura | 1989-02-28 |
MS
Mitsuhiro Saiji
Overall (1989): #75,495 of 140,708Top 55%
1
Patents 1989