Inventor · disambiguated record
Kenichi Nakama
Also filed as: NAKAMA KENICHI
42 granted patents·10 pending applications·773 citations·filing 1990–2009
98Inventor score
Files withNIPPON SHEET GLASS CO LTD44HIKICHI NAOKO1NIPPON SHEET GLASS LTD CO1UNIV TOKAI EDUCATIONAL SYSTEM1
Top patents by PatentIndex Score
52 records- 0194US6690002B2Photodetector array and optical communication monitor module using the sameNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Feb 10, 2004·101 cites·4 claims
- 0293US6987906B2Optical connection deviceUNIV TOKAI EDUCATIONAL SYSTEM·Filed 2003·Granted Jan 17, 2006·108 cites·23 claims
- 0390US6361718B1Article having uneven surface, production process for the article, and composition for the processNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Mar 26, 2002·96 cites·9 claims
- 0488US6530554B2Molding die for use with a sol-gel compositionNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Mar 11, 2003·27 cites·4 claims
- 0587US7319559B2Spectral optical elementNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Jan 15, 2008·18 cites·17 claims
- 0686US6839173B2Reflection type diffraction gratingNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Jan 4, 2005·35 cites·6 claims
- 0783US7538945B2Optical path changing moduleNIPPON SHEET GLASS CO LTD·Filed 2005·Granted May 26, 2009·14 cites·8 claims
- 0881US5982552APlanar microlens array having high converging efficiencyNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Nov 9, 1999·50 cites·6 claims
- 0980US7238935B2Light detection deviceNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Jul 3, 2007·12 cites·30 claims
- 1080US6766076B2Optical module and method for assembling the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Jul 20, 2004·25 cites·10 claims
- 1179US6934443B2Optical fiber coupling systemNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Aug 23, 2005·22 cites·10 claims
- 1278US6360041B1Optical demultiplexer and method of assembling optical demultiplexer in optical axis alignmentNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Mar 19, 2002·18 cites·14 claims
- 1377US7405824B2Optical coupling system of light measuring device and sampleNIPPON SHEET GLASS CO LTD·Filed 2006·Granted Jul 29, 2008·5 cites·5 claims
- 1475US7227126B2Light detection deviceNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Jun 5, 2007·4 cites·18 claims
- 1575US6753064B1Multi-layered coated substrate and method of production thereofNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Jun 22, 2004·37 cites·14 claims
- 1671US7420735B2Transmission type diffraction gratingNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Sep 2, 2008·5 cites·20 claims
- 1765US6710330B1Light-receiving element array device and optical demultiplexer using the sameNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Mar 23, 2004·13 cites·14 claims
- 1865US5867321APlanar microlens array and method of making sameNIPPON SHEET GLASS CO LTD·Filed 1995·Granted Feb 2, 1999·27 cites·18 claims
- 1963US7236665B2Optical module and method for fabricating the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Jun 26, 2007·11 cites·21 claims
- 2063US7167618B2Optical module having stacked guide substrates and method for assembling the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Jan 23, 2007·8 cites·16 claims
- 2162US6852420B2Optical device, mold, and method of producing the sameNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Feb 8, 2005·5 cites·10 claims
- 2262US6239891B1Optical demultiplexer and method of assembling sameNIPPON SHEET GLASS LTD CO·Filed 1999·Granted May 29, 2001·24 cites·11 claims
- 2359US7340131B2Collimator and optical filter device using the sameNIPPON SHEET GLASS CO LTD·Filed 2006·Granted Mar 4, 2008·2 cites·12 claims
- 2456US7518794B2Transmission type diffraction gratingNIPPON SHEET GLASS CO LTD·Filed 2008·Granted Apr 14, 2009·1 cites·7 claims
- 2556US7113338B2Thin-film structure and method for producing the sameNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Sep 26, 2006·3 cites·12 claims
- 2656US5289551AWye-branching optical circuitNIPPON SHEET GLASS CO LTD·Filed 1991·Granted Feb 22, 1994·18 cites·9 claims
- 2755US6853770B2Method for aligning and assembling optical demultiplexer module, and automatic aligning mechanism for optical demultiplexer moduleNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Feb 8, 2005·6 cites·12 claims
- 2855US6256436B1Optical wavelength demultiplexerNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Jul 3, 2001·17 cites·7 claims
- 2951US6850666B2Optical moduleNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Feb 1, 2005·3 cites·17 claims
- 3051US5160360AProcess for producing low-loss embedded waveguideNIPPON SHEET GLASS CO LTD·Filed 1990·Granted Nov 3, 1992·15 cites·13 claims
- 3150US7139139B2Optical moduleNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Nov 21, 2006·1 cites·6 claims
- 3250US5613767AIlluminating apparatusNIPPON SHEET GLASS CO LTD·Filed 1995·Granted Mar 25, 1997·14 cites·8 claims
- 3349US6974264B2Optical module and method for producing the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Dec 13, 2005·2 cites·28 claims
- 3449US6888681B2Optical demultiplexerNIPPON SHEET GLASS CO LTD·Filed 2003·Granted May 3, 2005·2 cites·5 claims
- 3549US6816646B2Light-sensitive detector and optical demultiplexerNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Nov 9, 2004·2 cites·14 claims
- 3648US2008106791A1Transmission type diffraction gratingNIPPON SHEET GLASS CO LTD·Filed 2007·Application pending·0 cites
- 3747US7280213B2Light detection deviceNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Oct 9, 2007·0 cites·14 claims
- 3847US2009213461A1Optical ModuleHIKICHI NAOKO·Filed 2009·Application pending·0 cites
- 3946US7372124B2Light-receiving element and photodetector using the sameNIPPON SHEET GLASS CO LTD·Filed 2004·Granted May 13, 2008·1 cites·3 claims
- 4046US7062178B1Photodetector array and optical branching filter using the arrayNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Jun 13, 2006·2 cites·3 claims
- 4146US6904207B2Waveguide type liquid-crystal optical switchNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Jun 7, 2005·2 cites·20 claims
- 4246US2002190433A1Molding die, sol-gel composition produced using the die, and process for producing sol-gel compositionNIPPON SHEET GLASS CO LTD·Filed 2002·Application pending·0 cites
- 4345US6373606B1Optical demultiplexerNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Apr 16, 2002·10 cites·19 claims
- 4444US2005200957A1Transmission type diffraction gratingNIPPON SHEET GLASS CO LTD·Filed 2005·Application pending·0 cites
- 4540US6940650B2Diffraction optical element and transfer mold thereforNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Sep 6, 2005·0 cites·14 claims
- 4640US2002064666A1Article having uneven surface, production process for the article, and composition for the processFiled 2002·Application pending·0 cites
- 4740US2002126339A1Optical communication monitorFiled 2002·Application pending·0 cites
- 4839US5446639AIlluminating apparatusNIPPON SHEET GLASS CO LTD·Filed 1993·Granted Aug 29, 1995·7 cites·1 claims
- 4939US2002149014A1Light-receiving device and photodetector comprising light-receiving deviceFiled 2001·Application pending·0 cites
- 5038US2003190126A1Optical element having wavelength selectivityFiled 2001·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →