Masao Koizumi

HI Hamai Industries: 1 patents #1 of 2Top 50%

📍 Fuchu, JP: #23 of 79 inventorsTop 30%

Overall (2004): #162,199 of 270,089Top 65%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6685164	Control valve and diaphragm for use in the control valve	Koichi Ohashi	2004-02-03