MM

Mikio Muramatsu

Yamaha: 2 patents #22 of 158Top 15%
Overall (2021): #129,878 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10979839 Sound pickup device and sound pickup method Satoshi Ukai, Tetsuto Kawai, Takayuki Inoue 2021-04-13
10893358 Gain adjustment device, remote conversation device, and gain adjustment method Satoshi Ukai 2021-01-12