HM

Hisazi Matsui

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
Overall (All Time): #3,955,170 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4756368 Method for drawing up special crude oil Yoshiaki Ikuta, Masayuki Moriwaki, Masato Kaneko 1988-07-12