Inventor · disambiguated record
Fumimaru Kawabata
Also filed as: KAWABATA FUMIMARU
21 granted patents·150 citations·filing 1982–2008
94Inventor score
Top patents by PatentIndex Score
21 records- 0185US5948183AHot-rolled steel sheet and method for forming hot-rolled steel sheet having low yield ratio, high strength and excellent toughnessKAWASAKI STEEL CO·Filed 1997·Granted Sep 7, 1999·31 cites·4 claims
- 0281US6344093B1High tensile strength steel product for high heat input welding, having excellent toughness in heat-affected zoneKAWASAKI STEEL CO·Filed 2000·Granted Feb 5, 2002·14 cites·19 claims
- 0376US4442340AFour-electrode submerged arc welding processKAWASAKI STEEL CO·Filed 1982·Granted Apr 10, 1984·26 cites·5 claims
- 0468US8124247B2High-strength welded steel pipe including weld metal having high cold-cracking resistance and method for manufacturing the sameHAYAKAWA NAOYA·Filed 2008·Granted Feb 28, 2012·4 cites·2 claims
- 0568US5743972AHeavy-wall structural steel and methodKAWASAKI STEEL CO·Filed 1996·Granted Apr 28, 1998·14 cites·9 claims
- 0658US6007644AHeavy-wall H-shaped steel having high toughness and yield strength and process for making steelKAWASAKI STEEL CO·Filed 1999·Granted Dec 28, 1999·14 cites·20 claims
- 0757US6440235B1Method of manufacturing high productive and high strength rolled H-shapedKAWASAKI STEEL CO·Filed 2000·Granted Aug 27, 2002·2 cites·12 claims
- 0857US4527033ASteel pipe welding methodKAWASAKI STEEL CO·Filed 1983·Granted Jul 2, 1985·13 cites·17 claims
- 0956US6358335B1Continuous casting slab suitable for the production of non-tempered high tensile steel materialKAWASAKI STEEL CO·Filed 2000·Granted Mar 19, 2002·3 cites·13 claims
- 1053US6699338B2Method of manufacturing corrosion resistant steel materialsJFE STEEL CORP·Filed 2002·Granted Mar 2, 2004·1 cites·9 claims
- 1147US6521057B1High-strength high-toughness steel productsKAWASAKI STEEL CO·Filed 2001·Granted Feb 18, 2003·0 cites·7 claims
- 1246US6299710B1Method of producing a bainite steel productKAWASAKI STEEL CO·Filed 1999·Granted Oct 9, 2001·5 cites·3 claims
- 1345US5989366AMethod of manufacturing thick steel product of high strength and high toughness having excellent weldability and minimal variation of structure and physical propertiesKAWASAKI STEEL CO·Filed 1997·Granted Nov 23, 1999·6 cites·11 claims
- 1443US6451134B1590MPa class heavy gauge H-shaped steel having excellent toughness and method of producing the sameKAWASAKI STEEL CO·Filed 1999·Granted Sep 17, 2002·5 cites·7 claims
- 1537US5882447AHeavy-wall structural steel and methodKAWASAKI STEEL CO·Filed 1997·Granted Mar 16, 1999·3 cites·8 claims
- 1636US6706125B2Linear shape steel excellent in joint fatigue characteristics and production method thereforJFE STEEL CORP·Filed 2001·Granted Mar 16, 2004·0 cites·4 claims
- 1735US5900076ABainitic steel materials having a less scattering of properties and method of producing the sameKAWASAKI STEEL CO·Filed 1997·Granted May 4, 1999·2 cites·12 claims
- 1834US5766381AMethod of producing bainitic steel materials having a less scattering of propertiesKAWASAKI STEEL CO·Filed 1995·Granted Jun 16, 1998·2 cites·2 claims
- 1931US6537391B2Steel with improved impact penetration resistance and method for producing the sameISHIKAWAJIMA HARIMA HEAVY IND·Filed 2001·Granted Mar 25, 2003·0 cites·16 claims
- 2031US6436340B1Weatherable steel materialKAWASAKI STEEL CO·Filed 1999·Granted Aug 20, 2002·3 cites·13 claims
- 2127US6068712ASteel products having superior weathering, method of producing the steel products, and method of forming weathering protective rust on steel product surfacesKAWASAKI STEEL CO·Filed 1999·Granted May 30, 2000·2 cites·20 claims
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