IY

Ikuhiro Yamamoto

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
📍 Kasuga, JP: #42 of 124 inventorsTop 35%
Overall (All Time): #1,632,140 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5870678 Cordless telephone apparatus Takashi Matsushiro, Katsuyuki Kajiwara, Hideaki Muroi 1999-02-09
5677944 Cordless telephone with battery measuring section Kenichi Shibata 1997-10-14
5572575 Cordless telephone system having speaker phone function Takashi Matsushiro 1996-11-05