P

Inventor

TAKASHIMA HIROAKI

JP44 patents
⚠️ This page may combine multiple inventors who share the name “TAKASHIMA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON OIL CO LTD

19 patents
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
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
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
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
US4220474ASep 2, 1980

Amorphous refractory compositions

NIPPON OIL CO LTD6 citations62
US4579645AApr 1, 1986

Starting pitch for carbon fibers

NIPPON OIL CO LTD6 citations61
US4490239ADec 25, 1984

Pitch for carbon fibers

NIPPON OIL CO LTD1 citations52
US5470558ANov 28, 1995

Process for producing pitch-based carbon fibers superior in compression characteristics

NIPPON OIL CO LTD1 citations51

MURATA MANUFACTURING CO

5 patents

TAKASHIMA HIROAKI

4 patents

FUJITSU LTD

4 patents

HOSOKAWA YOKO KK

3 patents

NORITZ CORP

2 patents

MITSUOKA TETSUYA

2 patents

MABUCHI MOTOR CO

1 patent

SHOFU KK

1 patent

NGK SPARK PLUG CO

1 patent

MITSUBISHI MATERIALS CORP

1 patent

MURASE HITOTOSHI

1 patent