Inventor · disambiguated record
Akihiro Koyama
Also filed as: KOYAMA AKIHIRO
85 granted patents·20 pending applications·1,741 citations·filing 1989–2023
99Inventor score
Top patents by PatentIndex Score
105 records- 0197US7763559B2Glass substrate for display and displayAVANSTRATE INC·Filed 2008·Granted Jul 27, 2010·40 cites·14 claims
- 0296US9212288B2Glass flake and coated glass flakeFUJIWARA KOSUKE·Filed 2009·Granted Dec 15, 2015·32 cites·9 claims
- 0396US6440531B1Hydrofluoric acid etched substrate for information recording mediumNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Aug 27, 2002·70 cites·14 claims
- 0495US8840997B2Cover glass and method for producing sameKOYAMA AKIHIRO·Filed 2011·Granted Sep 23, 2014·39 cites·24 claims
- 0595US6461736B1Light-colored glass of high transmittance and method for production thereof, glass plate with electrically conductive film and method for production thereof, and glass articleNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Oct 8, 2002·129 cites·32 claims
- 0694US8383531B2Glass flakeNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Feb 26, 2013·13 cites·18 claims
- 0794US7087307B2Glass sheet and glass sheet photoelectric converter deviceNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Aug 8, 2006·86 cites·14 claims
- 0894US6413892B1Glass substrate for magnetic recording mediaNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Jul 2, 2002·91 cites·13 claims
- 0994US6376403B1Glass composition and process for producing the sameNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Apr 23, 2002·69 cites·3 claims
- 1093US7960301B2Glass compositionAVANSTRATE INC·Filed 2006·Granted Jun 14, 2011·23 cites·19 claims
- 1192US6376084B1Glass-ceramics, process for producing the same, and substrate for information recording medium, information recording medium and information recording device each using the glass-ceramicsNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Apr 23, 2002·37 cites·1 claims
- 1292US6306786B1Glass composition and process for producing the sameNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Oct 23, 2001·81 cites·3 claims
- 1391US9580352B2Glass substrate for flat panel display and method for manufacturing sameAVANSTRATE INC·Filed 2015·Granted Feb 28, 2017·5 cites·8 claims
- 1491US8129299B2Glass composition and process for producing glass compositionKISHIMOTO SHOICHI·Filed 2010·Granted Mar 6, 2012·19 cites·17 claims
- 1591US6333286B1Glass composition and substrate for information recording media comprising the sameNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Dec 25, 2001·66 cites·8 claims
- 1690US7786035B2Glass composition and process for producing glass compositionAVANSTRATE INC·Filed 2006·Granted Aug 31, 2010·13 cites·23 claims
- 1789US8383532B2Glass flakeNIPPON SHEET GLASS CO LTD·Filed 2007·Granted Feb 26, 2013·9 cites·27 claims
- 1889US7309671B2Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the sameNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Dec 18, 2007·34 cites·10 claims
- 1988US6771976B1Radiocommunication apparatus, radiocommunication system, and radiocommunication methodSONY CORP·Filed 2000·Granted Aug 3, 2004·63 cites·20 claims
- 2088US6451720B1Glass composition, and information recording medium substrate, information recording medium, and information recording device each comprising the compositionNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Sep 17, 2002·33 cites·20 claims
- 2187US7767607B2Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the sameNIPPON SHEET GLASS CO LTD·Filed 2007·Granted Aug 3, 2010·10 cites·10 claims
- 2287US6365534B1Glass composition and substrate for information recording media comprising the sameNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Apr 2, 2002·32 cites·1 claims
- 2386US11401350B2Polysaccharide derivativeKAO CORP·Filed 2018·Granted Aug 2, 2022·2 cites·19 claims
- 2486US6844280B2Flat glass having high transmittanceNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Jan 18, 2005·43 cites·50 claims
- 2585US9237994B2Glass flake and coated glass flakeFUJIWARA KOSUKE·Filed 2009·Granted Jan 19, 2016·3 cites·18 claims
- 2685US5477098AEfficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the sameCANON KK·Filed 1994·Granted Dec 19, 1995·35 cites·28 claims
- 2784US6547980B1Glass substrate for information recording medium, manufacturing method thereof, and information recording mediumNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Apr 15, 2003·22 cites·6 claims
- 2884US6399527B1Glass composition and substrate for information recording mediumNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Jun 4, 2002·57 cites·15 claims
- 2983US8399370B2Glass compositionNIIDA HARUKI·Filed 2011·Granted Mar 19, 2013·8 cites·16 claims
- 3083US7273668B2Glass composition including zirconium, chemically strengthened glass article, glass substrate for magnetic recording media, and method of producing glass sheetHOYA CORP·Filed 2004·Granted Sep 25, 2007·20 cites·4 claims
- 3183US6251812B1Glass composition and substrate for information recording media comprising the sameNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Jun 26, 2001·47 cites·4 claims
- 3283US5815055AMatched filter with improved synchronous characteristics, and reception device and communication system using the sameCANON KK·Filed 1996·Granted Sep 29, 1998·43 cites·54 claims
- 3382US11359166B2Fabric treatment compositionKAO CORP·Filed 2018·Granted Jun 14, 2022·2 cites·20 claims
- 3482US8932969B2Glass substrate for flat panel display and method for manufacturing sameKOYAMA AKIHIRO·Filed 2012·Granted Jan 13, 2015·3 cites·12 claims
- 3582US5925583AHeat-resistant glass compositionNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Jul 20, 1999·55 cites·9 claims
- 3681US9434644B2Cover glass and method for producing cover glassKOYAMA AKIHIRO·Filed 2011·Granted Sep 6, 2016·6 cites·7 claims
- 3781US8853113B2Glass substrate for flat panel display and manufacturing method thereofKOYAMA AKIHIRO·Filed 2012·Granted Oct 7, 2014·3 cites·8 claims
- 3880US7071134B2High transmittance glass sheet and method of manufacturing the sameNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Jul 4, 2006·15 cites·2 claims
- 3979US6576353B1Glass substrate for use as information recording medium and method of manufacturing such glass substrateNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Jun 10, 2003·16 cites·5 claims
- 4078US10714571B2Silicon carbide semiconductor device having halogen field limiting ring regions and method of manufacturing sameMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jul 14, 2020·2 cites·9 claims
- 4178US9029280B2Glass substrate for flat panel display and method for manufacturing sameKOYAMA AKIHIRO·Filed 2012·Granted May 12, 2015·2 cites·13 claims
- 4278US8383530B2Glass substrate for display and displayAVANSTRATE INC·Filed 2010·Granted Feb 26, 2013·3 cites·26 claims
- 4378US7838452B2Ultraviolet ray transmitting glass composition and glass article making use of the sameNIPPON SHEET GLASS CO LTD·Filed 2006·Granted Nov 23, 2010·7 cites·18 claims
- 4478US7407889B2Method of manufacturing article having uneven surfaceNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Aug 5, 2008·16 cites·20 claims
- 4578US6132843AGlass substrate for magnetic disksNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Oct 17, 2000·36 cites·12 claims
- 4677US6831030B2High transmittance glass sheet and method of manufacturing the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Dec 14, 2004·11 cites·20 claims
- 4777US5708402ASurface acoustic wave device improved in convolution efficiency, receiver using it, communication system using it, and method for producing surface acoustic wave device improved in convoluting efficiencyCANON KK·Filed 1995·Granted Jan 13, 1998·55 cites·13 claims
- 4877US5010041AColored low-expansion transparent glass ceramicNIPPON SHEET GLASS CO LTD·Filed 1989·Granted Apr 23, 1991·37 cites·10 claims
- 4976US6713418B2Glass article and glass substrate for information recording media using the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Mar 30, 2004·14 cites·9 claims
- 5075US8017537B2Glass article and method of producing the sameNIPPON SHEET GLASS CO LTD·Filed 2006·Granted Sep 13, 2011·4 cites·10 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →