Inventor
KUDO TAKEO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KUDO TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
10 patentsUS4421571ADec 20, 1983
Process for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
SUMITOMO METAL IND59 citations95
US4400211AAug 23, 1983
Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
SUMITOMO METAL IND69 citations95
US5378427AJan 3, 1995
Corrosion-resistant alloy heat transfer tubes for heat-recovery boilers
SUMITOMO METAL IND42 citations92
US4652315AMar 24, 1987
Precipitation-hardening nickel-base alloy and method of producing same
SUMITOMO METAL IND47 citations92
US4581202AApr 8, 1986
Sintered stainless steel and production process therefor
SUMITOMO METAL IND32 citations92
US4400209AAug 23, 1983
Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
SUMITOMO METAL IND49 citations92
US4400210AAug 23, 1983
Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
SUMITOMO METAL IND49 citations92
US4400349AAug 23, 1983
Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
SUMITOMO METAL IND45 citations92
US5284530AFeb 8, 1994
Duplex stainless steel having improved corrosion resistance
SUMITOMO METAL IND26 citations91
US4770703ASep 13, 1988
Sintered stainless steel and production process therefor
SUMITOMO METAL IND12 citations73
HITACHI CHEMICAL CO LTD
4 patentsUS4983488AJan 8, 1991
Process for producing toner for electrophotography
HITACHI CHEMICAL CO LTD188 citations97
US5066560ANov 19, 1991
Process for producing toner for electrophotography
HITACHI CHEMICAL CO LTD62 citations94
US4351910ASep 28, 1982
Expandable styrene series resin composition and process for production thereof
HITACHI CHEMICAL CO LTD13 citations72
US4910114AMar 20, 1990
Toner for electrophotography
HITACHI CHEMICAL CO LTD5 citations54