Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12197811 | Wireless microphone system, receiver, and voice output method with variable assignment of voice channels to wireless microphones | Takaharu Ninagawa, Toshiharu Aikawa | 2025-01-14 |
| 10791387 | Wireless microphone system, receiving apparatus and wireless synchronization method | Takeshi Miyahara, Katsumi Nakagawa, Hisayuki Sasaki | 2020-09-29 |
| 10382873 | Communication apparatus, wireless microphone system and communication method | Katsuya Abe, Katsumi Nakagawa, Hisayuki Sasaki | 2019-08-13 |
| 9953499 | Alarm notifying system | Yuji Kawasaki, Hirotaka Fukutsuka, Keiji Yamahai | 2018-04-24 |
| 9652961 | Alarm notifying system | Yuji Kawasaki, Hirotaka Fukutsuka, Keiji Yamahai | 2017-05-16 |
| 9508240 | Sound receiving apparatus, sound receiving method, sound receiving system, and wireless microphone | Yuji Kawasaki, Hirotaka Fukutsuka, Keiji Yamahai | 2016-11-29 |
| 9479881 | Wireless communication apparatus, wireless communication system, and data processing method | Kenji Fukui, Hirotaka Fukutsuka, Motoshi Suzuki, Shouhei Taniguchi | 2016-10-25 |
| 9424602 | Order receiving system and order receiving method | Shouhei Taniguchi, Hirotaka Fukutsuka, Akinobu Tanaka | 2016-08-23 |
| 9275537 | Inter-communication system and notification method for inter-communication system | Syouhei Taniguchi, Hirotaka Fukutsuka | 2016-03-01 |
| 9265059 | Wireless communication system | Shouhei Taniguchi, Hirotaka Fukutsuka | 2016-02-16 |
| 9031258 | Acoustic feedback suppression apparatus, microphone apparatus, amplifier apparatus, sound amplification system, and acoustic feedback suppression method | Yuji Kawasaki, Keiji Yamahai | 2015-05-12 |
| 8884758 | Inter-communication system and event occurrence notification method for inter-communication system | Syouhei Taniguchi, Hirotaka Fukutsuka | 2014-11-11 |