Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734456 | Ferroelectric film and semiconductor device | Keisuke Tanaka, Toru Nasu | 2004-05-11 |
| 6704608 | Portable body used in two way, communication system, communication method, terminal, computer-readable recorded medium on which program is recorded | — | 2004-03-09 |