Inventor · disambiguated record
Tsutomu Tatekawa
Also filed as: TATEKAWA TSUTOMU
20 granted patents·2 pending applications·95 citations·filing 1999–2025
93Inventor score
Files withMURATA MANUFACTURING CO11ALPINE ELECTRONICS INC7ALPS ALPINE CO LTD2HYUNDAI MOBIS CO LTD1TATEKAWA TSUTOMU1
Top patents by PatentIndex Score
22 records- 0189US7339858B2Disk device, and methods for checking, ejecting, and loading disk in disk deviceALPINE ELECTRONICS INC·Filed 2005·Granted Mar 4, 2008·10 cites·14 claims
- 0285US7418724B2Apparatus for changing multiple media disksALPINE ELECTRONICS INC·Filed 2005·Granted Aug 26, 2008·7 cites·25 claims
- 0382US7472403B2Disk-storing disk device having a drive unit and a transporting-unit supported about fulcrumALPINE ELECTRONICS INC·Filed 2006·Granted Dec 30, 2008·5 cites·22 claims
- 0482US6549094B2High frequency ceramic compact, use thereof, and method of producing the sameMURATA MANUFACTURING CO·Filed 2001·Granted Apr 15, 2003·23 cites·18 claims
- 0580US2025388080A1Input deviceALPS ALPINE CO LTD·Filed 2025·Application pending·0 cites
- 0679US10416459B2Head-up display apparatusHYUNDAI MOBIS CO LTD·Filed 2017·Granted Sep 17, 2019·3 cites·2 claims
- 0774US7921434B2Disc device having multiple disk carry-in speedsALPINE ELECTRONICS INC·Filed 2009·Granted Apr 5, 2011·3 cites·12 claims
- 0872US7716691B2Disk-storing disk device with laterally disposed switchover memberALPINE ELECTRONICS INC·Filed 2006·Granted May 11, 2010·2 cites·15 claims
- 0965US6649553B2Dielectric ceramic composition, dielectric ceramic compact and electronic component including the sameMURATA MANUFACTURING CO·Filed 2002·Granted Nov 18, 2003·7 cites·20 claims
- 1064US6569795B2High frequency dielectric ceramic compact, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 2001·Granted May 27, 2003·7 cites·21 claims
- 1163US7056852B2High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer and communication systemMURATA MANUFACTURING CO·Filed 2004·Granted Jun 6, 2006·6 cites·8 claims
- 1261US11400867B2Operation apparatusALPS ALPINE CO LTD·Filed 2021·Granted Aug 2, 2022·0 cites·19 claims
- 1358US6940371B2High frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication deviceMURATA MANUFACTURING CO·Filed 2003·Granted Sep 6, 2005·5 cites·11 claims
- 1456US6369669B1Rare-earth ceramic filterMURATA MANUFACTURING CO·Filed 2000·Granted Apr 9, 2002·3 cites·20 claims
- 1550US7472404B2Disk device having a transporting-unit rotating unit rotating about a fulcrum shaftALPINE ELECTRONICS INC·Filed 2006·Granted Dec 30, 2008·0 cites·20 claims
- 1646US6380115B1High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 2000·Granted Apr 30, 2002·1 cites·20 claims
- 1742US8361918B2Ceramic composition, method for producing the same, ceramic substrate and method for producing ceramic green layerMURATA MANUFACTURING CO·Filed 2010·Granted Jan 29, 2013·0 cites·19 claims
- 1840US8476179B2Grain boundary-insulated semiconductor ceramic, semiconductor ceramic capacitor, and method for producing semiconductor ceramic capacitorTATEKAWA TSUTOMU·Filed 2012·Granted Jul 2, 2013·0 cites·19 claims
- 1939US6487427B1Dielectric resonator, dielectric filter, dielectric duplexer, and communications device having specific dielectric and superconductive compositionsMURATA MANUFACTURING CO·Filed 1999·Granted Nov 26, 2002·5 cites·20 claims
- 2039US2017227769A1Head-up display apparatusALPINE ELECTRONICS INC·Filed 2017·Application pending·0 cites
- 2137US6143697AMethod for producing superconducting thick filmMURATA MANUFACTURING CO·Filed 1999·Granted Nov 7, 2000·6 cites·14 claims
- 2233US6245702B1High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer and communication deviceMURATA MANUFACTURING CO·Filed 1999·Granted Jun 12, 2001·2 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →