Inventor

YOSHIKAWA KUNIHIKO

JP12 patents

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

SUMITOMO METAL IND

8 patents

US4421571ADec 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

US4799972AJan 24, 1989

Process for producing a high strength high-Cr ferritic heat-resistant steel

SUMITOMO METAL IND24 citations92

US4652315AMar 24, 1987

Precipitation-hardening nickel-base alloy and method of producing same

SUMITOMO METAL IND47 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

US4842823AJun 27, 1989

Austenitic steel having improved high-temperature strength and corrosion resistance

SUMITOMO METAL IND17 citations72

YOSHIKAWA SEISAKUSHO KK

4 patents

US5464074ANov 7, 1995

Differential spring-back action between bicycle brake arms along with spring-back stopper structure

YOSHIKAWA SEISAKUSHO KK6 citations72

US5328001AJul 12, 1994

Side pull bicycle brake with differential spring release and pivotal stopper structure

YOSHIKAWA SEISAKUSHO KK10 citations72

US4244235AJan 13, 1981

Apparatus for attaching a brake lever stay to a handle bar of a bicycle

YOSHIKAWA SEISAKUSHO KK6 citations61

US4143745AMar 13, 1979

Holder apparatus for pulling-up wire in center pull type caliper brake

YOSHIKAWA SEISAKUSHO KK3 citations61