Inventor · disambiguated record
Katsumi Yamaguchi
Also filed as: YAMAGUCHI KATSUMI
48 granted patents·14 pending applications·848 citations·filing 1981–2020
98Inventor score
Top patents by PatentIndex Score
62 records- 0191US5786594AMulti-beam pitch adjustment system and methodRICOH KK·Filed 1997·Granted Jul 28, 1998·136 cites·74 claims
- 0289US5005928AOptical scanning systemRICOH KK·Filed 1989·Granted Apr 9, 1991·68 cites·26 claims
- 0388US8680180B2Process for producing modified epoxy resinYAMAGUCHI KATSUMI·Filed 2012·Granted Mar 25, 2014·6 cites·3 claims
- 0488US6206358B1Book binding systemHORIZON INT INC·Filed 1998·Granted Mar 27, 2001·71 cites·5 claims
- 0587US5432537AOptical recording apparatus capable of controlling optical power of laser diode arrayRICOH KK·Filed 1993·Granted Jul 11, 1995·67 cites·14 claims
- 0687US4953171ASemiconductor laser source unitRICOH KK·Filed 1989·Granted Aug 28, 1990·39 cites·23 claims
- 0786US6269999B1Semiconductor chip mounting method utilizing ultrasonic vibrationsTEXAS INSTRUMENTS INC·Filed 2000·Granted Aug 7, 2001·41 cites·15 claims
- 0883US8344054B2Polymer nanocomposites including dispersed nanoparticles and inorganic nanoplateletsTEXAS A & M UNIV SYS·Filed 2007·Granted Jan 1, 2013·5 cites·16 claims
- 0983US5671077AMulti-beam light source device and optical scanning apparatus using the multi-beam source deviceRICOH KK·Filed 1994·Granted Sep 23, 1997·50 cites·21 claims
- 1081US7485680B2Process for producing rubbery polymer particle and process for producing resin composition containing the sameKANEKA CORP·Filed 2004·Granted Feb 3, 2009·20 cites·15 claims
- 1178US4934772ALight beam scanning lens and light beam scanning deviceRICOH KK·Filed 1988·Granted Jun 19, 1990·37 cites·6 claims
- 1277US8222324B2Process for producing modified epoxy resinYAMAGUCHI KATSUMI·Filed 2004·Granted Jul 17, 2012·14 cites·9 claims
- 1376US8368822B2Display apparatus for displaying an imageHITACHI LTD·Filed 2008·Granted Feb 5, 2013·4 cites·10 claims
- 1476US6726508B2Card connectorTYCO ELECTRONICS AMP KK·Filed 2002·Granted Apr 27, 2004·21 cites·23 claims
- 1570US4955682AScanning optical systemRICOH KK·Filed 1989·Granted Sep 11, 1990·27 cites·5 claims
- 1668US4423445AClutch system in a tape playerCLARION CO LTD·Filed 1981·Granted Dec 27, 1983·14 cites·8 claims
- 1767US4906061ACollimated light beam scanning method including curvature of field correctionRICOH KK·Filed 1988·Granted Mar 6, 1990·25 cites·4 claims
- 1864US6869017B2Card connectorTYCO ELECTRONICS AMP KK·Filed 2003·Granted Mar 22, 2005·9 cites·14 claims
- 1964US6133566AMultiple beam scanning apparatus and light source unit thereforRICOH KK·Filed 1998·Granted Oct 17, 2000·26 cites·29 claims
- 2063US6525135B1Modifier for methacrylic resinKANEKA CORP·Filed 2000·Granted Feb 25, 2003·5 cites·12 claims
- 2163US6337455B1Process and apparatus for transforming metal materialYAMAGUCHI KATSUMI·Filed 2000·Granted Jan 8, 2002·11 cites·10 claims
- 2262US7537470B2Ejection mechanism and card connectorTYCO ELECTRONICS AMP KK·Filed 2008·Granted May 26, 2009·7 cites·20 claims
- 2362US4835636ADustproof door mechanismCLARION CO LTD·Filed 1987·Granted May 30, 1989·13 cites·4 claims
- 2459US4511940ATape player having motor-driven tape-pack loading mechanismCLARION CO LTD·Filed 1981·Granted Apr 16, 1985·10 cites·9 claims
- 2558US4479155AAuto-loading mechanism in a magnetic recording/reproducing apparatusTAKAI KAZUKI·Filed 1981·Granted Oct 23, 1984·11 cites·4 claims
- 2658US4403265APower loading/unloading mechanism for tape record/playback apparatusCLARION CO LTD·Filed 1981·Granted Sep 6, 1983·9 cites·3 claims
- 2756US5155616AScanning optical systemRICOH KK·Filed 1991·Granted Oct 13, 1992·19 cites·3 claims
- 2855US6757173B2Card connector assemblyTYCO ELECTRONICS AMP KK·Filed 2002·Granted Jun 29, 2004·8 cites·13 claims
- 2954US4430680AReciprocating member control mechanism in tape playerCLARION CO LTD·Filed 1981·Granted Feb 7, 1984·8 cites·2 claims
- 3054US2007225062A1Gaming machineARUZE CORP·Filed 2007·Application pending·0 cites
- 3153US2010249335A1Methods of producing zinc oxide polymer nanocompositesTEXAS A & M UNIV SYS·Filed 2010·Application pending·0 cites
- 3252US11760855B2Acrylic resin film, laminated film, production method for laminated film, and molded articleKANEKA CORP·Filed 2020·Granted Sep 19, 2023·0 cites·22 claims
- 3352US4708302AMode switching over gear mechanism for reelCLARION CO LTD·Filed 1987·Granted Nov 24, 1987·9 cites·2 claims
- 3452US2007004840A1Zinc oxide polymer nanocomposites and methods of producing zinc oxide polymer nanocompositesKANEKA CORP·Filed 2006·Application pending·0 cites
- 3551US5233455AScanning optical systemRICOH KK·Filed 1992·Granted Aug 3, 1993·15 cites·4 claims
- 3650US4825312ACassette loading mechanismCLARION CO LTD·Filed 1987·Granted Apr 25, 1989·8 cites·6 claims
- 3749US2009191762A1Card ConnectorYAMAGUCHI KATSUMI·Filed 2009·Application pending·0 cites
- 3848US2005002048A1Method and apparatus for forming color imageFiled 2004·Application pending·0 cites
- 3948US2015247013A1Acrylic resin filmKANEKA CORP·Filed 2013·Application pending·0 cites
- 4047US2007015563A1Gaming machineARUZE CORP·Filed 2006·Application pending·0 cites
- 4146US7445839B2Foam sheet for car interior member, and car interior memberSEKISUI PLASTICS·Filed 2004·Granted Nov 4, 2008·4 cites·17 claims
- 4246US7396876B2Transparent and impact-resistant thermoplastic resin compositionsKANEKA CORP·Filed 2005·Granted Jul 8, 2008·0 cites·4 claims
- 4344US7083442B2PC card connector assemblyOTAX CO LTD·Filed 2004·Granted Aug 1, 2006·3 cites·19 claims
- 4443US8916794B2Metal jet apparatus and jet methodYAMAGUCHI KATSUMI·Filed 2004·Granted Dec 23, 2014·0 cites·2 claims
- 4542US11198783B2Dope for producing film and film production methodKANEKA CORP·Filed 2018·Granted Dec 14, 2021·0 cites·17 claims
- 4642US4872075ATape loading mechanism in magnetic recording and reproducing apparatusCLARION CO LTD·Filed 1989·Granted Oct 3, 1989·5 cites·12 claims
- 4742US4797758APinch roller driving mechanismCLARION CO LTD·Filed 1987·Granted Jan 10, 1989·5 cites·8 claims
- 4842US2005154127A1Impact-resistant thermoplastic resin compositionKANEKA CORP·Filed 2003·Application pending·0 cites
- 4939US10138309B2Method for producing particulate polymerKANEKA CORP·Filed 2017·Granted Nov 27, 2018·0 cites·9 claims
- 5039US4423847ATape reel driving mechanismCLARION CO LTD·Filed 1981·Granted Jan 3, 1984·3 cites·6 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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