TH

Tomoaki Hirai

Yamaha: 1 patents #63 of 215Top 30%
📍 Zama, NV: #1 of 3 inventorsTop 35%
Overall (2005): #85,418 of 245,428Top 35%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6920099 Optical disk recording apparatus Yoshihiko Shiozaki 2005-07-19