SH

Shigenori Hiramatsu

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,503,126 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6522757 Bass intensification device for speaker system Fuminori Sato, Koji Osuga, Akihiro Ozono, Yuichi Honda 2003-02-18