Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411883 | Information processing system, information processing method, and recording medium in which information processing program is stored | Yuichiro Koizumi | 2025-09-09 |
| D491155 | Portable wireless telephone | Ayako Tanaka, Mitsuaki Kanada, Kazuhiko Yamaoka | 2004-06-08 |
| D491156 | Portable wireless telephone | Ayako Tanaka, Mitsuaki Kanada, Kazuhiko Yamaoka | 2004-06-08 |
| D478067 | Headphone | Ayako Tanaka, Mitsuaki Kanada, Kazuhiko Yamaoka | 2003-08-05 |