P

Inventor

UEMURA SEIICHI

JP34 patents
⚠️ This page may combine multiple inventors who share the name “UEMURA SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON OIL CO LTD

33 patents
US5045356ASep 3, 1991

Process for producing carbon/carbon composite having oxidation resistance

NIPPON OIL CO LTD56 citations95
US4575411AMar 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
US5399378AMar 21, 1995

Process of manufacturing carbon fibers with high chemical stability

NIPPON OIL CO LTD9 citations73
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
US5181979AJan 26, 1993

Process for preparing carbon/carbon composite

NIPPON OIL CO LTD7 citations72
US5093156AMar 3, 1992

Process for preparing carbon material

NIPPON OIL CO LTD15 citations72
US4850836AJul 25, 1989

Melt spinning apparatus

NIPPON OIL CO LTD7 citations72
US4849200AJul 18, 1989

Process for fabricating carbon/carbon composite

NIPPON OIL CO LTD14 citations72
US5622660AApr 22, 1997

Process for producing carbon fiber fabrics

NIPPON OIL CO LTD7 citations71
US4177132ADec 4, 1979

Process for the continuous production of petroleum-derived pitch

NIPPON OIL CO LTD14 citations71
US4620919ANov 4, 1986

Pitch for the production of carbon fibers

NIPPON OIL CO LTD11 citations70
US5061413AOct 29, 1991

Process for producing pitch-based carbon fibers

NIPPON OIL CO LTD6 citations63
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
US5192471AMar 9, 1993

Process for preparing carbon/carbon composite

NIPPON OIL CO LTD5 citations61
US4579645AApr 1, 1986

Starting pitch for carbon fibers

NIPPON OIL CO LTD6 citations61
US4618463AOct 21, 1986

Process for producing pitch carbon fibers

NIPPON OIL CO LTD4 citations59
US5186873AFeb 16, 1993

Process for preparing carbon/carbon composite

NIPPON OIL CO LTD5 citations58
US4490239ADec 25, 1984

Pitch for carbon fibers

NIPPON OIL CO LTD1 citations52

SHINAGAWA REFRACTORIES CO

1 patent