OO

Osamu Okada

OC Osaka Gas Co.: 1 patents #18 of 85Top 25%
TC Toyo Tanso Co.: 1 patents #1 of 5Top 20%
📍 Kyoto, JP: #14 of 43 inventorsTop 35%
Overall (1994): #23,508 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5352486 Method for producing carbon material coated with carbon film and the use of carbon material Takashi Matsumoto, Hiroaki Ogura, Shinsuke Goda 1994-10-04
5302470 Fuel cell power generation system Takeshi Tabata, Masataka Masuda, Susumu Takami, Masamichi Ippommatsu 1994-04-12