Inventor
YAMAMOTO SYUNICHI
6 patents
Patents
6 patentsUS4231857ANov 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
US4101635AJul 18, 1978
Method for regenerating and recycling catalyst for oxidation of sulfur dioxide
NIPPON OIL CO LTD18 citations70
US4220474ASep 2, 1980
Amorphous refractory compositions
NIPPON OIL CO LTD6 citations62
US3947560AMar 30, 1976
Process for oxidizing sulfur dioxide
NIPPON OIL CO LTD3 citations61