MM

Masataka Masuda

OC Osaka Gas Co.: 1 patents #23 of 68Top 35%
Overall (2005): #144,459 of 245,428Top 60%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6887446 Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas Hirofumi Ohtsuka, Takeshi Tabata, Takatoshi Nakahira, Takenori Hirano 2005-05-03