HM

Hiroyuki Matoba

AU Audio-Technica: 4 patents #51 of 180Top 30%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #986,455 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D831619 Earphone Shohei Araki 2018-10-23
D822009 Earphone Shohei Araki 2018-07-03
D601124 Wireless headset Satoshi Uchimura, Koichiro Tanoue 2009-09-29
D585048 Wireless headphone transmitter Satoshi Uchimura, Koichiro Tanoue 2009-01-20
4958509 Rolling method for parallel-flange steel shapes Yoshiaki Kusaba, Tsuneo Yamada 1990-09-25