Inventor · disambiguated record
Tatsuya Tomaru
Also filed as: TOMARU TATSUYA
26 granted patents·4 pending applications·176 citations·filing 1997–2022
95Inventor score
Top patents by PatentIndex Score
30 records- 0191US11989623B2Quantum computer and quantum state controlling method in quantum computerHITACHI LTD·Filed 2022·Granted May 21, 2024·2 cites·15 claims
- 0286US7457548B2Quantum optical transmission device and quantum optical generator device thereforHITACHI LTD·Filed 2005·Granted Nov 25, 2008·16 cites·20 claims
- 0382US7596322B2Cryptographic-key-generation communication systemHITACHI LTD·Filed 2006·Granted Sep 29, 2009·16 cites·18 claims
- 0480US8934633B2Encrypted communication system, transmitter and receiver using sameTOMARU TATSUYA·Filed 2011·Granted Jan 13, 2015·7 cites·20 claims
- 0580US7865086B2Optical transponder for secure optical communications and optical quadrature-measuring instrumentHITACHI LTD·Filed 2007·Granted Jan 4, 2011·8 cites·1 claims
- 0679US6879766B2Photonic crystal and photonic-crystal waveguideHITACHI LTD·Filed 2002·Granted Apr 12, 2005·21 cites·13 claims
- 0777US6307872B1Compact solid-state laser and transmitter using the sameHITACHI LTD·Filed 2000·Granted Oct 23, 2001·17 cites·23 claims
- 0873US8582770B2Cryptographic communication systemTOMARU TATSUYA·Filed 2009·Granted Nov 12, 2013·6 cites·20 claims
- 0972US6229835B1Compact solid-state laser and transmitter using the sameHITACHI LTD·Filed 1998·Granted May 8, 2001·32 cites·22 claims
- 1070US7539422B2Quantum optical transmission deviceHITACHI LTD·Filed 2005·Granted May 26, 2009·4 cites·15 claims
- 1170US6560267B1Solid-state laser and optical transmitterHITACHI LTD·Filed 2000·Granted May 6, 2003·9 cites·18 claims
- 1268US9952830B2Discrete computation computer and computation programHITACHI LTD·Filed 2014·Granted Apr 24, 2018·2 cites·15 claims
- 1364US9633715B2Semiconductor device capable of attaining ground state in an ising modelHITACHI LTD·Filed 2013·Granted Apr 25, 2017·3 cites·15 claims
- 1461US7738793B2Secure optical communication systemHITACHI LTD·Filed 2006·Granted Jun 15, 2010·2 cites·8 claims
- 1560US8121489B2Optical transmitting and receiving systemTOMARU TATSUYA·Filed 2008·Granted Feb 21, 2012·2 cites·10 claims
- 1660US7756385B2Antisqueezed light generatorHITACHI LTD·Filed 2007·Granted Jul 13, 2010·6 cites·16 claims
- 1760US6931189B2Optical waveguides and optical devices with optical waveguidesHITACHI LTD·Filed 2002·Granted Aug 16, 2005·7 cites·6 claims
- 1858US11341425B2Computing apparatus incorporating quantum effects that performs high-speed computation on inverse problems or computational optimization problems requiring exhaustive searchHITACHI LTD·Filed 2015·Granted May 24, 2022·1 cites·15 claims
- 1958US10318607B2Computer and computing programHITACHI LTD·Filed 2015·Granted Jun 11, 2019·1 cites·15 claims
- 2058US6587278B1Optical interferometer and signal synthesizer using the interferometerHITACHI LTD·Filed 2000·Granted Jul 1, 2003·6 cites·5 claims
- 2155US6389053B1Solid-state laser compensated for pumping-light astigmatismHITACHI LTD·Filed 2000·Granted May 14, 2002·3 cites·16 claims
- 2250US2021064994A1Machine learning device and machine learning methodHITACHI LTD·Filed 2020·Application pending·0 cites
- 2348US2021326738A1Silicon electron spin type massively parallel quantum computerHITACHI LTD·Filed 2021·Application pending·0 cites
- 2447US11451524B2Network system interface for controlling confidential informationHITACHI LTD·Filed 2019·Granted Sep 20, 2022·0 cites·6 claims
- 2543US10305681B2High-security communication system, and transmitter and receiver both used thereinHITACHI LTD·Filed 2013·Granted May 28, 2019·0 cites·9 claims
- 2642US6754248B2Solid-state laser and optical transmitterHITACHI LTD·Filed 2003·Granted Jun 22, 2004·0 cites·10 claims
- 2742US2019121834A1Computing apparatus and computing methodHITACHI LTD·Filed 2018·Application pending·0 cites
- 2841US2006025659A1Optical measuring device for substances in vivoKIGUCHI MASASHI·Filed 2005·Application pending·0 cites
- 2940US6778579B2Solid-state laser compensated for pumping-light astigmatismHITACHI LTD·Filed 2002·Granted Aug 17, 2004·0 cites·16 claims
- 3034US6091495AOptical interferometer and signal synthesizer using the interferometerHITACHI LTD·Filed 1997·Granted Jul 18, 2000·5 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →