Inventor · disambiguated record
Kazuo Koyama
Also filed as: KOYAMA KAZUO
39 granted patents·504 citations·filing 1975–2020
98Inventor score
Files withNIPPON STEEL CORP16BRIDGESTONE TIRE CO LTD5CLARION CO LTD3KOYAMA KAZUO3ISHIDA SCALE MFG CO LTD2
Top patents by PatentIndex Score
39 records- 0194US5901777ATwin-roll continuous casting methodNIPPON STEEL CORP·Filed 1995·Granted May 11, 1999·46 cites·7 claims
- 0291US9938028B2Stretch packaging machineISHIDA SEISAKUSHO·Filed 2015·Granted Apr 10, 2018·7 cites·4 claims
- 0388US4376661AMethod of producing dual phase structure cold rolled steel sheetNIPPON STEEL CORP·Filed 1979·Granted Mar 15, 1983·27 cites·5 claims
- 0487US4394186AMethod for producing a dual-phase steel sheet having excellent formability, high artificial-aging hardenability after forming, high strength, low yield ratio, and high ductilityNIPPON STEEL CORP·Filed 1980·Granted Jul 19, 1983·26 cites·7 claims
- 0586US5578143AContinuously cast slab of extremely low carbon steel with less surface defects in steel sheet-producing step; extremely low carbon sheet steel; and process for producing the sameNIPPON STEEL CORP·Filed 1994·Granted Nov 26, 1996·23 cites·38 claims
- 0684US8177038B2Disk brake apparatusWATADA AKIFUMI·Filed 2008·Granted May 15, 2012·12 cites·6 claims
- 0783US4285741AProcess for producing high-strength, low yield ratio and high ductility dual-phase structure steel sheetsNIPPON STEEL CORP·Filed 1979·Granted Aug 25, 1981·20 cites·8 claims
- 0882US5855106AFilm supplying apparatus and lift mechanism for a packaging machineISHIDA CO INC·Filed 1996·Granted Jan 5, 1999·44 cites·20 claims
- 0981US7273029B2Cylinder liner and cylinder blockKOYAMA KK·Filed 2006·Granted Sep 25, 2007·13 cites·10 claims
- 1079US8497739B2Single-differential converting circuitKOYAMA KAZUO·Filed 2011·Granted Jul 30, 2013·8 cites·6 claims
- 1177US5618355AHigh-strength steel sheet suitable for deep drawing and process for producing the sameNIPPON STEEL CORP·Filed 1995·Granted Apr 8, 1997·23 cites·11 claims
- 1276US4683707ASystem for packaging, weighing and labeling articlesISHIDA SCALE MFG CO LTD·Filed 1985·Granted Aug 4, 1987·28 cites·14 claims
- 1370US4391653AProcess for producing cold rolled steel strip having excellent mechanical strength and useful for motor vehiclesNIPPON STEEL CORP·Filed 1981·Granted Jul 5, 1983·15 cites·5 claims
- 1463US7009619B2Map display device, map display system, map display method, and map display program productFOUNDATION JAPAN CONSTRUCTION·Filed 2004·Granted Mar 7, 2006·14 cites·6 claims
- 1563US4140166APneumatic radial tireBRIDGESTONE TIRE CO LTD·Filed 1977·Granted Feb 20, 1979·15 cites·7 claims
- 1662US8265585B2IBOC broadcasting receiverINAKO KAZUYOSHI·Filed 2007·Granted Sep 11, 2012·2 cites·11 claims
- 1761US5954896ACold rolled steel sheet and galvanized steel sheet having improved homogeneity in workability and process for producing sameNIPPON STEEL CORP·Filed 1995·Granted Sep 21, 1999·14 cites·9 claims
- 1861US4881273ARDS system radioCLARION CO LTD·Filed 1988·Granted Nov 14, 1989·23 cites·6 claims
- 1960US4956025AProcess for producing cold-rolled high strength steel sheet having excellent formability and conversion-treatabilityNIPPON STEEL CORP·Filed 1988·Granted Sep 11, 1990·10 cites·14 claims
- 2058US4378453AAdhesive for polyester fibrous materialBRIDGESTONE TIRE CO LTD·Filed 1982·Granted Mar 29, 1983·10 cites·3 claims
- 2156US5457816AScanning receiver with stored frequenciesCLARION CO LTD·Filed 1993·Granted Oct 10, 1995·33 cites·11 claims
- 2253US4578926AApparatus for packaging, weighing and labeling merchandiseISHIDA SCALE MFG CO LTD·Filed 1984·Granted Apr 1, 1986·10 cites·7 claims
- 2352US4769088AProcess for producing hot-rolled steel sheet having high r valueNIPPON STEEL CORP·Filed 1987·Granted Sep 6, 1988·7 cites·7 claims
- 2450US6129992AHigh-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the sameNIPPON STEEL CORP·Filed 1999·Granted Oct 10, 2000·16 cites·20 claims
- 2547US10833696B1Successive-approximation type AD converter and pipeline type AD converterASAHI KASEI MICRODEVICES CORP·Filed 2020·Granted Nov 10, 2020·0 cites·16 claims
- 2646US4981531AProcess for producing cold rolled steel sheets having excellent press formability and ageing propertyNIPPON STEEL CORP·Filed 1983·Granted Jan 1, 1991·5 cites·10 claims
- 2744US8891683B2IBOC broadcast receiverNAKAJIMA NAOKI·Filed 2007·Granted Nov 18, 2014·0 cites·14 claims
- 2844US8121566B2Broadcast receiver and broadcast channel seek methodISHIDA MASANORI·Filed 2007·Granted Feb 21, 2012·0 cites·22 claims
- 2943US8086198B2Radio broadcasting receiver and method for seeking radio broadcastingKOYAMA KAZUO·Filed 2007·Granted Dec 27, 2011·0 cites·10 claims
- 3042US4374962AAdhesive for polyester fibrous materialBRIDGESTONE TIRE CO LTD·Filed 1982·Granted Feb 22, 1983·6 cites·2 claims
- 3142US4264677ARed colored phosphor and process for preparing the sameKASEI OPTONIX·Filed 1979·Granted Apr 28, 1981·9 cites·11 claims
- 3238US4801341AOne-sided enamelable hot-rolled steel sheet and process for producing the sameNIPPON STEEL CORP·Filed 1987·Granted Jan 31, 1989·5 cites·7 claims
- 3337US4443272AProcess for producing cold rolled steel sheets having excellent press formability and ageing propertyNIPPON STEEL CORP·Filed 1982·Granted Apr 17, 1984·3 cites·9 claims
- 3436US8766715B2Amplifier circuitKOYAMA KAZUO·Filed 2011·Granted Jul 1, 2014·0 cites·10 claims
- 3536US5156690ABuilding low yield ratio hot-dip galvanized cold rolled steel sheet having improved refractory propertyNIPPON STEEL CORP·Filed 1990·Granted Oct 20, 1992·10 cites·14 claims
- 3635US5493711ARadio receiver for locating the strongest signal carrying a selected programCLARION CO LTD·Filed 1993·Granted Feb 20, 1996·7 cites·15 claims
- 3735US4424238AAdhesive for bonding polyester fibrous material to rubber compositionsBRIDGESTONE TIRE CO LTD·Filed 1982·Granted Jan 3, 1984·6 cites·3 claims
- 3834US4011106AHot-rolled steel sheet of high cold formability and method of producing such steel sheetNIPPON STEEL CORP·Filed 1975·Granted Mar 8, 1977·3 cites·4 claims
- 3932US4252171AWithstand-voltage tireBRIDGESTONE TIRE CO LTD·Filed 1978·Granted Feb 24, 1981·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →