Masahiro Matsumaru

VJ Victor Company Of Japan: 1 patents #22 of 80Top 30%

📍 Abiko, JP: #12 of 28 inventorsTop 45%

Overall (2002): #160,380 of 266,432Top 65%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6356417	Rotary head drum device	—	2002-03-12