Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622174 | System for sending, converting, and adding advertisements to electronic messages sent across a network | Yoshitaka Ukita, Koichi Hayasaka | 2003-09-16 |
| 5307326 | Cassette adapter for signal playback apparatus | — | 1994-04-26 |