Kunihiko Yoshikawa
12Patents
8h-index
12Co-inventors
65Inventor score
Filing activity: Oct 5, 1977 → Dec 30, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4652315A | Precipitation-hardening nickel-base alloy and method of producing same | Chemistry; Metallurgy | 34 | Expired |
| US4400211A | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Fixed Constructions | 32 | Expired |
| US4400210A | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Fixed Constructions | 28 | Expired |
| US4421571A | Process for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Chemistry; Metallurgy | 27 | Expired |
| US4400209A | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Fixed Constructions | 26 | Expired |
| US4400349A | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Chemistry; Metallurgy | 25 | Expired |
| US4799972A | Process for producing a high strength high-Cr ferritic heat-resistant steel | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4842823A | Austenitic steel having improved high-temperature strength and corrosion resistance | Chemistry; Metallurgy | 8 | Expired |
| US4244235A | Apparatus for attaching a brake lever stay to a handle bar of a bicycle | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5328001A | Side pull bicycle brake with differential spring release and pivotal stopper structure | Performing Operations; Transporting | 4 | Expired |
| US5464074A | Differential spring-back action between bicycle brake arms along with spring-back stopper structure | Performing Operations; Transporting | 3 | Expired |
| US4143745A | Holder apparatus for pulling-up wire in center pull type caliper brake | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.