Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388456 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Kenji Takahata | 1997-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388456 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Kenji Takahata | 1997-12-30 |