Inventor · disambiguated record
Takeshi Shirai
Also filed as: SHIRAI TAKESHI
26 granted patents·11 pending applications·504 citations·filing 1984–2025
97Inventor score
Top patents by PatentIndex Score
37 records- 0192US8189170B2Optical element and exposure apparatusSHIRAI TAKESHI·Filed 2010·Granted May 29, 2012·15 cites·25 claims
- 0292US7697111B2Optical element and exposure apparatusNIKON CORP·Filed 2004·Granted Apr 13, 2010·48 cites·10 claims
- 0389US10610981B2Solder paste for reduction gas, and method for producing soldered productORIGIN ELECTRIC·Filed 2016·Granted Apr 7, 2020·4 cites·23 claims
- 0489US8149381B2Optical element and exposure apparatusSHIRAI TAKESHI·Filed 2006·Granted Apr 3, 2012·12 cites·12 claims
- 0589US6590702B1Multilayer antireflection film, optical member, and reduction projection exposure apparatusNIKON CORP·Filed 2000·Granted Jul 8, 2003·46 cites·8 claims
- 0688US9046796B2Optical element and exposure apparatusSHIRAI TAKESHI·Filed 2012·Granted Jun 2, 2015·6 cites·24 claims
- 0788US7993008B2Optical element and exposure apparatusNIKON CORP·Filed 2008·Granted Aug 9, 2011·11 cites·7 claims
- 0887US8957286B2Plant capable of bearing seedless fruits and method of producing variety bearing seedless fruitsSHIRAI TAKESHI·Filed 2009·Granted Feb 17, 2015·5 cites·9 claims
- 0984US5963365Athree layer anti-reflective coating for optical substrateNIKON CORP·Filed 1997·Granted Oct 5, 1999·52 cites·16 claims
- 1083US5850309AMirror for high-intensity ultraviolet light beamNIKON CORP·Filed 1997·Granted Dec 15, 1998·88 cites·24 claims
- 1177US5023547AVariable reluctance rotation sensor with changing flux linkages and including a pair of oppositely poled magnetsGEN MOTORS CORP·Filed 1989·Granted Jun 11, 1991·31 cites·2 claims
- 1274US8767173B2Optical element and projection exposure apparatus based on use of the optical elementSHIRAI TAKESHI·Filed 2010·Granted Jul 1, 2014·1 cites·9 claims
- 1374US6310905B1Mirror for an ultraviolet laser and methodNIKON CORP·Filed 1999·Granted Oct 30, 2001·39 cites·9 claims
- 1473US5385411AVariable reluctance integral bearing sensorGEN MOTORS CORP·Filed 1994·Granted Jan 31, 1995·26 cites·1 claims
- 1573US2025143254A1Bedding, compost and method for producing compostASAHI GROUP HOLDINGS LTD·Filed 2025·Application pending·0 cites
- 1670US5385410AVariable reluctance integral bearing sensorGEN MOTORS CORP·Filed 1992·Granted Jan 31, 1995·24 cites·5 claims
- 1769US5510708AVariable reluctance rotation sensor with leakage magnetic flux sensingGEN MOTORS CORP·Filed 1994·Granted Apr 23, 1996·18 cites·4 claims
- 1868US10175584B2Optical element and exposure apparatusNIKON CORP·Filed 2013·Granted Jan 8, 2019·1 cites·34 claims
- 1968US7876418B2Optical element and projection exposure apparatus based on use of the optical elementNIKON CORP·Filed 2005·Granted Jan 25, 2011·1 cites·50 claims
- 2064US6030717AMultilayer antireflection coatings for grazing ultraviolet incident lightNIKON CORP·Filed 1998·Granted Feb 29, 2000·24 cites·16 claims
- 2164US2020329662A1Bedding, compost and method for producing compostASAHI GROUP HOLDINGS LTD·Filed 2019·Application pending·0 cites
- 2263US2014313495A1Optical element and projection exposure apparatus based on use of the optical elementNIKON CORP·Filed 2014·Application pending·0 cites
- 2360US5023546AVariable reluctance rotation sensor with changing coil linkages and a pair of flux producing magnetsGEN MOTORS CORP·Filed 1989·Granted Jun 11, 1991·16 cites·2 claims
- 2458US4674077ADisc reproducing apparatus with carousel using disc clamping deviceNIPPON COLUMBIA·Filed 1984·Granted Jun 16, 1987·11 cites·5 claims
- 2556US2007030468A1Optical element and projection exposure apparatus based on use of the optical elementNIKON CORP·Filed 2006·Application pending·0 cites
- 2656US2022211786A1Immunostimulator and method for preventing infectionASAHI GROUP HOLDINGS LTD·Filed 2019·Application pending·0 cites
- 2755US2006209285A1Optical element and projection exposure apparatus based on use of the optical elementNIKON CORP·Filed 2006·Application pending·0 cites
- 2853US2012206705A1Optical element and exposure apparatusSHIRAI TAKESHI·Filed 2012·Application pending·0 cites
- 2950US11739360B2Interleukin-6, 10 production promoterASAHI GROUP HOLDINGS LTD·Filed 2019·Granted Aug 29, 2023·0 cites·2 claims
- 3049US2024226135A1Immunostimulator and method of producing glucan compositionASAHI GROUP HOLDINGS LTD·Filed 2022·Application pending·0 cites
- 3137US2006183939A1Process for production of hydroxybenzoic acidsUENO RYUZO·Filed 2004·Application pending·0 cites
- 3236US5236518AVariable reluctance sensor with offset magnets having improved magnetic flux memberGEN MOTORS CORP·Filed 1992·Granted Aug 17, 1993·7 cites·7 claims
- 3335US5855556AUltrasonic diagnostic apparatusFUJITSU LTD·Filed 1998·Granted Jan 5, 1999·17 cites·4 claims
- 3431US2012291922A1Solder pasteIWAMURA EIJI·Filed 2010·Application pending·0 cites
- 3530US5588433AUltrasonic diagnostic apparatusFUJITSU LTD·Filed 1995·Granted Dec 31, 1996·1 cites·16 claims
- 3630US5582174AUltrasonic diagnostic systemFUJITSU LTD·Filed 1995·Granted Dec 10, 1996·0 cites·8 claims
- 3730US2012291921A1Flux for solder paste, and solder pasteIWAMURA EIJI·Filed 2010·Application pending·0 cites
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