Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321046 | Electronic learning aid operable in an examination mode | Yoshiro Kataoka, Takashi Sakaue | 1982-03-23 |
KO
Koiti Oda
Overall (1982): #47,681 of 81,411Top 60%
1
Patents 1982