Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742563 | Electronic device with calendar function including determining the first week of the year | Shigenobu Yanagiuchi, Yasuharu Tanaka, Yoshihiro Shintaku, Kiyoshi Matsuo, Yasuo Wada | 1998-04-21 |
| 5530684 | Electronic device with calendar function | Shigenobu Yanagiuchi, Yasuharu Tanaka, Yoshihiro Shintaku, Kiyoshi Matsuo, Yasuo Wada | 1996-06-25 |
| 5448532 | Electronic world clock device for indicating times for various spots in the world | Shigenobu Yanagiuchi, Yasuharu Tanaka, Yoshihiro Shintaku | 1995-09-05 |
| 4724527 | Electronic personal asset control device | Kosuke Nishimura | 1988-02-09 |
| 4587409 | Information processing device | Kosuke Nishimura | 1986-05-06 |
| 4340375 | Electronic learning aid | Takashi Sakaue, Koichi Hatta, Megumi Fukusaki | 1982-07-20 |
| 4321046 | Electronic learning aid operable in an examination mode | Koiti Oda, Takashi Sakaue | 1982-03-23 |