Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5781731 | Schedule management support system | Hiroyuki Koreeda, Yasuhiko Kasai, Tsukasa Yamauchi, Shigeto Oeda, Jun Ito +8 more | 1998-07-14 |
| 5684970 | Icon menu display apparatus and icon menu display method | Tsukasa Hasegawa, Akira Naito, Yasuhiko Kasai, Tomoko Tsuchiya, Shinichi Yoshida +1 more | 1997-11-04 |
| 5592605 | Menu picture display method and apparatus for a data processor | Tsukasa Hasegawa, Akira Naito, Yasuhiko Kasai, Tomoko Tsuchiya, Shinichi Yoshida +1 more | 1997-01-07 |