HS

Hirohisa Sakuma

TC Tokyo Gas Co.: 2 patents #79 of 412Top 20%
OM Omron: 1 patents #1,808 of 3,089Top 60%
Overall (All Time): #1,915,359 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10739476 Seismic sensor and earthquake determination method Naotsugu Ueda, Hiroyuki Mino 2020-08-11
7027357 Acoustic communication device and acoustic signal communication method Jun Fujiwara 2006-04-11