Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696982 | Apparatus and method for page-retrieval using electronic-book display | Yoshio Nakano | 1997-12-09 |
| 5648813 | Graphical-interactive-screen display apparatus and peripheral units | Masaki Mukai, Takashi Ohtsu, Yoshio Nakano, Seiji Tsuji | 1997-07-15 |