Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11171714 | Cell optimization by remote control via communication line for HAPS flight control | — | 2021-11-09 |
| 11161607 | Flying body and system | Junichi Miyakawa, Atsushi Yamamoto | 2021-11-02 |
| 11137777 | Control apparatus, program, system and control method | Junichi Miyakawa, Atsushi Yamamoto | 2021-10-05 |
| 11126205 | Control of formation flight of aircraft and communication area for providing radio communication service | Junichi Miyakawa, Makoto Saitou, Yuta Miwa | 2021-09-21 |
| 10165568 | Data communication apparatus, computer readable medium, and satellite communication system | Junichi Miyakawa, Akihiko Tajika, Isara Amatayakul, Sakon Kittivatcharapong | 2018-12-25 |
| 9935368 | Antenna control method and antenna control system | Akihiko Tajika, Junichi Miyakawa, HaeWoon Lee, CheolHoon Lee | 2018-04-03 |
| 7436916 | Pulse modulator and PPM demodulation determining circuit employed in ultra wideband wireless communications | Hiroji Akahori | 2008-10-14 |
| 7414463 | Demodulator for demodulating pulse position modulated signal | Hiroji Akahori | 2008-08-19 |
| 7289470 | Method and apparatus of performing handoff | — | 2007-10-30 |
| 7251485 | Wireless LAN terminal device, portable data terminal system, mobile phone, wireless LAN communication method, method for providing service, and method for transferring incoming call | Akira Ikeda, Atsushi Shimbo | 2007-07-31 |
| 7221215 | Demodulator for demodulating pulse position modulated signal | Hiroji Akahori | 2007-05-22 |
| 6038253 | Data receiver with symbol rate discrimination and statistical analysis functions | — | 2000-03-14 |
| 5946361 | Viterbi decoding method and circuit with accelerated back-tracing and efficient path metric calculation | Satoru Araki, Shigeru Ono | 1999-08-31 |
| 5883923 | Data receiver with symbol rate discrimination and statistical analysis functions | — | 1999-03-16 |
| 5812025 | Automatic-gain-control circuit compensating for changes in gain control characteristics | — | 1998-09-22 |
| 5689511 | Data receiver for receiving code signals having a variable data rate | Kenichiro Hosoda | 1997-11-18 |
| 5648921 | Digital operational circuit with pathmetrics calculating steps simplified | Satoru Araki, Kenichiro Hosoda | 1997-07-15 |
| 4899148 | Data compression method | Takuro Sato, Manabu Kawabe | 1990-02-06 |