YK

Yukimasa Kumura

KC Koa Oil Company: 5 patents #4 of 38Top 15%
📍 Izumi, JP: #53 of 245 inventorsTop 25%
Overall (All Time): #1,064,027 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4769139 Apparatus for production of crystallizable carbonaceous material Kosaku Noguchi, Honami Tanaka, Eiji Kitajima, Toshifumi Ishitobi, Hirokazu Teraoka 1988-09-06
4640822 Apparatus for producing bulk mesophase Kosaku Noguchi, Honami Tanaka, Heima Yamazaki, Eiji Kitajima, Tomonori Sunada 1987-02-03
4488957 Method and apparatus for production of crystallizable carbonaceous material Kosaku Noguchi, Honami Tanaka, Eiji Kitajima, Toshifumi Ishitobi, Hirokazu Teraoka 1984-12-18
4381990 Process for producing mesocarbon microbeads of uniform particle-size distribution Kosaku Noguchi, Honami Tanaka, Eiji Kitajima, Noriyuki Tsuchiya, Tomonori Sunada 1983-05-03
4363670 Continuous process for industrially producing mesocarbon microbeads Kosaku Noguchi, Honami Tanaka, Eiji Kitajima, Noriyuki Tsuchiya, Tomonori Sunada 1982-12-14