Inventor · disambiguated record
Ken Sakuma
Also filed as: SAKUMA KEN
33 granted patents·2 pending applications·323 citations·filing 1986–2024
97Inventor score
Top patents by PatentIndex Score
35 records- 0194US7253446B2Light emitting device and illumination apparatusINDP ADMINISTRATIVE INST NIMS·Filed 2006·Granted Aug 7, 2007·79 cites·26 claims
- 0293US11450957B2Wireless communication deviceFUJIKURA LTD·Filed 2020·Granted Sep 20, 2022·3 cites·20 claims
- 0391US8148887B2Light emitting diode lamp and light emitting deviceHIROSAKI NAOTO·Filed 2008·Granted Apr 3, 2012·20 cites·11 claims
- 0489US8270789B2Optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonatorOGAWA KENSUKE·Filed 2010·Granted Sep 18, 2012·13 cites·20 claims
- 0588US7573190B2Light emitting element and lighting instrumentNAT INST FOR MATERIALS SCIENCE·Filed 2005·Granted Aug 11, 2009·15 cites·14 claims
- 0686US11018718B1Wireless communication device and wireless communication methodFUJIKURA LTD·Filed 2020·Granted May 25, 2021·2 cites·10 claims
- 0784US8270790B2Planar optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonatorOGAWA KENSUKE·Filed 2010·Granted Sep 18, 2012·8 cites·17 claims
- 0879US7597821B2Oxynitride phosphor and a light emitting deviceFUJIKURA LTD·Filed 2005·Granted Oct 6, 2009·8 cites·14 claims
- 0978US10944456B1Wireless communication deviceFUJIKURA LTD·Filed 2020·Granted Mar 9, 2021·1 cites·4 claims
- 1077US7402943B2Oxynitride phosphor and a light emitting deviceFUJIKURA LTD·Filed 2005·Granted Jul 22, 2008·7 cites·3 claims
- 1174US5676042AApparatus for producing fried food productSAKUMA KEN·Filed 1996·Granted Oct 14, 1997·47 cites·12 claims
- 1273US7608862B2Light emitting device and a lighting apparatusFUJIKURA LTD·Filed 2005·Granted Oct 27, 2009·6 cites·8 claims
- 1368US12463340B2Phased array antenna moduleFUJIKURA LTD·Filed 2024·Granted Nov 4, 2025·0 cites·9 claims
- 1468US8404133B2Manufacturing method of planar optical waveguide device with grating structureSAKUMA KEN·Filed 2009·Granted Mar 26, 2013·5 cites·9 claims
- 1568US8057705B2Sialon phosphorSAKUMA KEN·Filed 2009·Granted Nov 15, 2011·3 cites·6 claims
- 1667US6945078B2Optical waveguide in the interior of silica glass and method of forming optical waveguideFUJIKURA LTD·Filed 2003·Granted Sep 20, 2005·13 cites·11 claims
- 1767US5243898APressurized fryer deviceSAKUMA KEN·Filed 1991·Granted Sep 14, 1993·27 cites·1 claims
- 1866US8227178B2Manufacturing method of planar optical waveguide device with grating structureSAKUMA KEN·Filed 2009·Granted Jul 24, 2012·4 cites·10 claims
- 1966US8053970B2Light emitting device and illumination deviceFUJIKURA LTD·Filed 2009·Granted Nov 8, 2011·3 cites·23 claims
- 2064US4732081ADevice for producing fried foodKENJI SAKUMA·Filed 1986·Granted Mar 22, 1988·26 cites·5 claims
- 2162US7564065B2Light emitting device and a lighting apparatusFUJIKURA LTD·Filed 2005·Granted Jul 21, 2009·2 cites·4 claims
- 2258US11463140B2Wireless communication deviceFUJIKURA LTD·Filed 2020·Granted Oct 4, 2022·0 cites·7 claims
- 2355US7046872B2Optical switch, optical add-drop module, and optical communication systemFUJIKURA LTD·Filed 2003·Granted May 16, 2006·6 cites·21 claims
- 2454US8542970B2Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonatorFUJIKURA LTD·Filed 2012·Granted Sep 24, 2013·0 cites·2 claims
- 2551US7046881B2Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit deviceFUJIKURA LTD·Filed 2002·Granted May 16, 2006·5 cites·16 claims
- 2650US11438050B2Wireless communication systemFUJIKURA LTD·Filed 2020·Granted Sep 6, 2022·0 cites·4 claims
- 2749US8571206B2Information transmitting apparatus, information transmitting method, and computer productKODAMA TETSUHIRO·Filed 2008·Granted Oct 29, 2013·1 cites·16 claims
- 2849US2010322559A1Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonatorFUJIKURA LTD·Filed 2010·Application pending·0 cites
- 2948US12431620B2Phased array antennaFUJIKURA LTD·Filed 2021·Granted Sep 30, 2025·0 cites·10 claims
- 3048US6741775B2Optical switchFUJIKURA LTD·Filed 2001·Granted May 25, 2004·4 cites·9 claims
- 3142US8508119B2Phosphor and an incandescent lamp color light emitting diode lamp using the sameSAKUMA KEN·Filed 2005·Granted Aug 13, 2013·0 cites·14 claims
- 3242US2006208260A1Powdered fluorescent material and method for manufacturing the same, light-emitting device, and illumination apparatusNAT INST FOR MATERIALS SCIENCE·Filed 2006·Application pending·0 cites
- 3341US8824044B2Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonatorOGAWA KENSUKE·Filed 2010·Granted Sep 2, 2014·0 cites·13 claims
- 3437US5417084AVacuum concentrating plantSAKUMA KEN·Filed 1994·Granted May 23, 1995·9 cites·3 claims
- 3530US4985266AProcess for producing fried foodKENJI SAKUMA KENJI·Filed 1989·Granted Jan 15, 1991·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →