Inventor
SUGI HIDEKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SUGI HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KAYAKU KK
10 patentsUS5959143ASep 28, 1999
Catalysts and process for the preparation thereof
NIPPON KAYAKU KK70 citations94
US5716895AFeb 10, 1998
Process for regeneration of catalysts
NIPPON KAYAKU KK30 citations92
US6762148B2Jul 13, 2004
Catalyst process of making
NIPPON KAYAKU KK25 citations86
US7825061B2Nov 2, 2010
Catalyst for producing methacrylic acid and preparation method thereof
NIPPON KAYAKU KK8 citations83
US4530916AJul 23, 1985
Catalyst for use in a methacrylic acid process
NIPPON KAYAKU KK17 citations81
US4273676AJun 16, 1981
Process for producing methacrylic acid and a catalyst
NIPPON KAYAKU KK17 citations81
US4745217AMay 17, 1988
Process for producing methacrylic acid
NIPPON KAYAKU KK7 citations73
US4467113AAug 21, 1984
Process for producing methacrylic acid
NIPPON KAYAKU KK15 citations73
US6812188B2Nov 2, 2004
Catalyst for methacrylic acid production, coated catalyst, and process for producing the same
NIPPON KAYAKU KK5 citations62
US4172051AOct 23, 1979
Catalyst for producing methacrylic acid
NIPPON KAYAKU KK5 citations62