Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D409226 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Kenji Takahata | 1999-05-04 |
| D409227 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Kenji Takahata, Junichi Ono | 1999-05-04 |
| D408437 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Kenji Takahata | 1999-04-20 |
| D408050 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Kenji Takahata, Junichi Ono | 1999-04-13 |
| D386199 | Electrical calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Katsuhiro Nara, Tomoshige Komatsu | 1997-11-11 |
| D365839 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Kenji Takahata | 1996-01-02 |
| D365840 | Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book | Atsushi Shigemura | 1996-01-02 |
| D365841 | Electronic calculator | Kenji Takahata, Yuichi Onumata | 1996-01-02 |