Inventor · disambiguated record
Kazutatsu Tokuyama
Also filed as: TOKUYAMA KAZUTATSU
8 granted patents·3 pending applications·17 citations·filing 2007–2015
80Inventor score
Top patents by PatentIndex Score
11 records- 0175US7889619B2Hologram recording/reproducing apparatus and light source apparatusSONY CORP·Filed 2008·Granted Feb 15, 2011·4 cites·6 claims
- 0275US7826325B2Recording and reproducing apparatus and defect determination methodSONY CORP·Filed 2007·Granted Nov 2, 2010·4 cites·6 claims
- 0371US11073693B2Optical device, head mounted display, assembling method for the same, holographic diffraction grating, display device, and alignment deviceSONY CORP·Filed 2015·Granted Jul 27, 2021·2 cites·22 claims
- 0471US8432591B2Light irradiation device for recording information in a hologram recording mediumYAMAKAWA AKIO·Filed 2010·Granted Apr 30, 2013·4 cites·11 claims
- 0565US8416480B2Hologram reproducing apparatus, hologram reproducing method, and phase modulating elementTANAKA TOMIJI·Filed 2008·Granted Apr 9, 2013·2 cites·7 claims
- 0665US7760611B2Hologram reproducing apparatusSONY CORP·Filed 2007·Granted Jul 20, 2010·1 cites·4 claims
- 0753US2009290471A1Recording and reproducing device, recording and reproducing method, recording device, recording method, reproducing device, and reproducing methodSONY CORP·Filed 2009·Application pending·0 cites
- 0853US2010060960A1Reproduction device and reproduction methodSONY CORP·Filed 2009·Application pending·0 cites
- 0951US7835049B2Reproducing apparatus and reproducing methodSONY CORP·Filed 2007·Granted Nov 16, 2010·0 cites·9 claims
- 1049US2010060959A1Reproduction apparatus and reproduction methodSONY CORP·Filed 2009·Application pending·0 cites
- 1134US8121010B2Hologram device, tilt detection method, and tilt correction methodYAMAKAWA AKIO·Filed 2010·Granted Feb 21, 2012·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →