RH

Ryusuke Hamakawa

OL Olympus: 1 patents #2,078 of 3,097Top 70%
Overall (All Time): #4,141,826 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10438585 Voice recording device and voice recording control method Kenta Yumoto, Takafumi Onishi, Kazushi Fujitani 2019-10-08