KO

Katsumi Onizuka

Overall (All Time): #2,285,222 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5397221 Valve operating mechanism Satoshi Matsuno, Kazuo Sasaki 1995-03-14
4502323 Method and apparatus for performing a hydraulic pressure test on a tube Tosio Watase, Koichi Mori, Kazuo Sasaki, Yuzo Yoshikawa, Takeshi Fujita 1985-03-05