Inventor
HIROSE TAKAO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “HIROSE TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON OIL CO LTD
23 patentsUS4575411AMar 11, 1986
Process for preparing precursor pitch for carbon fibers
NIPPON OIL CO LTD8 citations74
US4474617AOct 2, 1984
Pitch for carbon fibers
NIPPON OIL CO LTD14 citations74
US4470960ASep 11, 1984
Process for the production of pitch-derived carbon fibers
NIPPON OIL CO LTD17 citations74
US4469667ASep 4, 1984
Process for production of pitch-derived carbon fibers
NIPPON OIL CO LTD13 citations74
US4460557AJul 17, 1984
Starting pitches for carbon fibers
NIPPON OIL CO LTD14 citations74
US4391788AJul 5, 1983
Starting pitches for carbon fibers
NIPPON OIL CO LTD7 citations74
US4261878AApr 14, 1981
Tap hole mixes
NIPPON OIL CO LTD14 citations74
US4656022AApr 7, 1987
Process for producing pitch carbon fibers
NIPPON OIL CO LTD7 citations73
US4397830AAug 9, 1983
Starting pitches for carbon fibers
NIPPON OIL CO LTD14 citations73
US4231857ANov 4, 1980
Process for preparing petroleum-derived binder pitch
NIPPON OIL CO LTD10 citations73
US4229221AOct 21, 1980
Method for producing refractories
NIPPON OIL CO LTD9 citations73
US3933720AJan 20, 1976
Polychloroprene type adhesive compositions
NIPPON OIL CO LTD16 citations73
US4177132ADec 4, 1979
Process for the continuous production of petroleum-derived pitch
NIPPON OIL CO LTD14 citations71
US4788050ANov 29, 1988
Process for producing pitch-based carbon fibers
NIPPON OIL CO LTD6 citations63
US4534950AAug 13, 1985
Process for producing carbon fibers
NIPPON OIL CO LTD5 citations63
US4533535AAug 6, 1985
Starting pitches for carbon fibers
NIPPON OIL CO LTD3 citations63
US4521294AJun 4, 1985
Starting pitches for carbon fibers
NIPPON OIL CO LTD5 citations63
US4440624AApr 3, 1984
Starting pitches for carbon fibers
NIPPON OIL CO LTD3 citations63
US4574077AMar 4, 1986
Process for producing pitch based graphite fibers
NIPPON OIL CO LTD6 citations62
US4220474ASep 2, 1980
Amorphous refractory compositions
NIPPON OIL CO LTD6 citations62
US3933719AJan 20, 1976
Polychloroprene-base adhesive composition
NIPPON OIL CO LTD5 citations62
US4618463AOct 21, 1986
Process for producing pitch carbon fibers
NIPPON OIL CO LTD4 citations59
US4490239ADec 25, 1984
Pitch for carbon fibers
NIPPON OIL CO LTD1 citations52