MK

Masao Koizumi

HI Hamai Industries: 2 patents #1 of 8Top 15%
TS Taiyo Nippon Sanso: 1 patents #91 of 203Top 45%
📍 Fuchu, JP: #424 of 926 inventorsTop 50%
Overall (All Time): #2,181,380 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6910602 Container valve Satoshi Hasaka, Yutaka Horiuchi 2005-06-28
6685164 Control valve and diaphragm for use in the control valve Koichi Ohashi 2004-02-03