Inventor
IZUMI TAKAYUKI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOA NENRYO KOGYO KK
10 patentsUS4533461AAug 6, 1985
Process for producing mesophase pitch
TOA NENRYO KOGYO KK21 citations78
US4589974AMay 20, 1986
Optically anisotropic carbonaceous pitch and process for producing the same
TOA NENRYO KOGYO KK12 citations73
US4454019AJun 12, 1984
Process for producing optically anisotropic carbonaceous pitch
TOA NENRYO KOGYO KK12 citations73
US4534850AAug 13, 1985
Optically antisotropic carbonaceous pitch
TOA NENRYO KOGYO KK8 citations72
US4655902AApr 7, 1987
Optically anisotropic carbonaceous pitch
TOA NENRYO KOGYO KK9 citations71
US4601813AJul 22, 1986
Process for producing optically anisotropic carbonaceous pitch
TOA NENRYO KOGYO KK18 citations71
US4454020AJun 12, 1984
Process for producing a homogeneous low softening point, optically anisotropic pitch
TOA NENRYO KOGYO KK16 citations69
US4670202AJun 2, 1987
Method and apparatus for melt spinning
TOA NENRYO KOGYO KK9 citations68
US4810437AMar 7, 1989
Process for manufacturing carbon fiber and graphite fiber
TOA NENRYO KOGYO KK2 citations62
US4511456AApr 16, 1985
Process for continuous production of optically anisotropic pitch
TOA NENRYO KOGYO KK2 citations62