Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11310628 | Wireless communication device, information processing device, and processing method therefor | Seiji Kobayashi, Toshihiro Fujiki | 2022-04-19 |
| 6628343 | Television signal reception circuit, automatic phase shift control circuit and equal amplitude addition circuit | Toshihiro Yamaguchi, Koichi Ohya | 2003-09-30 |
| 5841326 | Integrated oscillation circuit used for frequency conversion circuit | Fumio Ishikawa, Shinichi Tsutsumi, Naoyasu Gamou | 1998-11-24 |
| 5124594 | Digital phase comparator for use in a phase lock loop | Hiroshi Numata, Tamotsu Kogo, Fumio Ishikawa, Akira Sato | 1992-06-23 |