Inventor
SOHDA YOSHIO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SOHDA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON OIL CO LTD
17 patentsUS5045356ASep 3, 1991
Process for producing carbon/carbon composite having oxidation resistance
NIPPON OIL CO LTD56 citations95
US5057254AOct 15, 1991
Process for producing carbon/carbon composites
NIPPON OIL CO LTD22 citations90
US5614134AMar 25, 1997
Process for preparing carbon/carbon composite preform and carbon/carbon composite
NIPPON OIL CO LTD39 citations89
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
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
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
US6056912AMay 2, 2000
Process for producing carbon-fiber-reinforced composite material
NIPPON OIL CO LTD12 citations70
US5935359AAug 10, 1999
Process for producing carbonaceous preform
NIPPON OIL CO LTD8 citations70
US5433937AJul 18, 1995
Process for producing carbon preform
NIPPON OIL CO LTD10 citations68
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
US4574077AMar 4, 1986
Process for producing pitch based graphite fibers
NIPPON OIL CO LTD6 citations62
US5523035AJun 4, 1996
Process for producing carbonaceous material
NIPPON OIL CO LTD6 citations61
US5192471AMar 9, 1993
Process for preparing carbon/carbon composite
NIPPON OIL CO LTD5 citations61