MY

Masazumi Yamashita

OC Osaka Gas Co.: 2 patents #129 of 689Top 20%
Overall (All Time): #1,037,337 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6890374 Filter for sampling chlorinated organic compound Osamu Kajikawa, Muneki Ohuchi, Hirofumi Nakamura, Takatomo Fujii, Katsuhisa Honda 2005-05-10
6555385 Sampling bottle for chlorinated organic compounds Katsuhisa Honda, Noriaki Hamada, Hirofumi Nakamura, Osamu Kajikawa, Mamoru Hatada +3 more 2003-04-29
6402984 Composition for preventing corrosion using a sulfite-based oxygen scavenger Junichi Nakajima, Kenichi Kimura 2002-06-11
6027687 Method for preventing corrosion using a sulfite-based oxygen scavenger, and composition therefor Junichi Nakajima, Kenichi Kimura 2000-02-22
5522917 Method for deaerating liquid products Katsuhisa Honda 1996-06-04