SO

Seigo Ozaki

PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #633,838 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10644667 Sound processing device, sound control device, and sound control method Kazuhiro Watanabe, Kazuhiro Uchida 2020-05-05
9257945 Amplifier apparatus Mingxue Zhang, Tsuyoshi Haga 2016-02-09
9203359 Amplifier and audio device provided with amplifier Tsuyoshi Haga 2015-12-01
9136799 Amplifier using voltage variable power supply Hirotsugu Kawata 2015-09-15
9077295 Class D amplification device 2015-07-07
9036836 Amplifier apparatus Mingxue Zhang, Tsuyoshi Haga 2015-05-19
8686792 Amplifying device Rintaro Sukegawa 2014-04-01
6687680 Electronic cash register system Kesayoshi Iguchi, Hiroyuki Tanaka, Masanobu Shigeno, Takashi Kondoh, Kazuya Murakami +4 more 2004-02-03