Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675572 | Orthogonal frequency division multiplex modulation apparatus and orthogonal frequency division multiplex demodulation apparatus | Takako Hidejima, legal representative, Yasunari Ikeda | 1997-10-07 |
| 4835604 | Aircraft service system with a central control system for attendant call lights and passenger reading lights | Yoshiyuki Kondo, Hiroshi Sahara | 1989-05-30 |