YK

Yohji Kohsaka

NC Nippon Kokan Co.: 4 patents #54 of 735Top 8%
NL Nippon Mining Company Limited: 1 patents #97 of 262Top 40%
Overall (All Time): #1,300,990 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4900510 High strength and corrosion resistant titanium alloy having excellent corrosion-wear properties Misao Ishikawa, Chiaki Ouchi, Katsumi Masamura 1990-02-13
4799975 Method for producing beta type titanium alloy materials having excellent strength and elongation Chiaki Ouchi, Hiroyoshi Suenaga, Hideo Sakuyama, Hideo Takatori 1989-01-24
4373951 Nonmagnetic steels having low thermal expansion coefficients and high yield points Chiaki Ouchi 1983-02-15
4256516 Method of manufacturing non-magnetic Fe-Mn steels having low thermal expansion coefficients and high yield points Chiaki Ouchi 1981-03-17