Inventor · disambiguated record
Katsuyuki Akutsu
Also filed as: AKUTSU KATSUYUKI
26 granted patents·2 pending applications·1,274 citations·filing 2005–2021
97Inventor score
Top patents by PatentIndex Score
28 records- 0199US8396339B2Optical device, and virtual image display deviceMUKAWA HIROSHI·Filed 2012·Granted Mar 12, 2013·97 cites·8 claims
- 0299US8213755B2Optical device, and virtual image display deviceMUKAWA HIROSHI·Filed 2011·Granted Jul 3, 2012·89 cites·8 claims
- 0399US8073296B2Optical device, and virtual image display deviceMUKAWA HIROSHI·Filed 2011·Granted Dec 6, 2011·90 cites·4 claims
- 0499US8023783B2Optical device, and virtual image display deviceSONY CORP·Filed 2010·Granted Sep 20, 2011·96 cites·16 claims
- 0599US7747113B2Optical device and virtual image display deviceSONY CORP·Filed 2008·Granted Jun 29, 2010·212 cites·19 claims
- 0699US7418170B2Optical device and virtual image display deviceSONY CORP·Filed 2005·Granted Aug 26, 2008·338 cites·37 claims
- 0798US9541762B2Optical device, and virtual image displaySONY CORP·Filed 2016·Granted Jan 10, 2017·25 cites·27 claims
- 0897US7502168B2Optical device and image display apparatusSONY CORP·Filed 2006·Granted Mar 10, 2009·104 cites·14 claims
- 0996US8325166B2Optical device and virtual image display device including volume hologram gratingsAKUTSU KATSUYUKI·Filed 2009·Granted Dec 4, 2012·102 cites·4 claims
- 1095US9759920B2Light reflecting member, light beam extension device, image display device, and optical deviceSONY CORP·Filed 2015·Granted Sep 12, 2017·15 cites·18 claims
- 1195US8976453B2Light reflecting member, light beam extension device, image display device, and optical deviceSONY CORP·Filed 2012·Granted Mar 10, 2015·27 cites·15 claims
- 1294US9726890B2Light beam expanding device, image display device, and optical deviceSONY CORP·Filed 2015·Granted Aug 8, 2017·19 cites·15 claims
- 1393US9164221B2Light beam expanding device, image display device, and optical deviceSONY CORP·Filed 2012·Granted Oct 20, 2015·27 cites·20 claims
- 1490US11940630B2Display apparatus and display methodSONY GROUP CORP·Filed 2021·Granted Mar 26, 2024·2 cites·15 claims
- 1590US9279984B2Image displaying apparatus and optical apparatusSONY CORP·Filed 2014·Granted Mar 8, 2016·13 cites·8 claims
- 1690US9176265B2Optical device, and virtual image displaySONY CORP·Filed 2013·Granted Nov 3, 2015·6 cites·18 claims
- 1781US9383722B2Optical device and virtual image displaySONY CORP·Filed 2014·Granted Jul 5, 2016·3 cites·11 claims
- 1880US10025100B2Optical device and virtual image displaySONY CORP·Filed 2016·Granted Jul 17, 2018·2 cites·9 claims
- 1974US9335550B2Optical device, and virtual image displaySONY CORP·Filed 2015·Granted May 10, 2016·1 cites·10 claims
- 2073US11061231B2Optical device and display deviceSONY CORP·Filed 2015·Granted Jul 13, 2021·2 cites·4 claims
- 2171US11073693B2Optical 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
- 2269US8810878B2Optical device and virtual image displaySONY CORP·Filed 2012·Granted Aug 19, 2014·1 cites·10 claims
- 2361US2014233079A1Hologram recording film and method of manufacturing same, and image display apparatusSONY CORP·Filed 2014·Application pending·0 cites
- 2454US11227519B2Image projection apparatus, image projection method, image display light output control method by acquiring pupil area or sizeSONY CORP·Filed 2018·Granted Jan 18, 2022·0 cites·20 claims
- 2553US12474579B2Image display apparatus and display apparatusSONY GROUP CORP·Filed 2020·Granted Nov 18, 2025·0 cites·20 claims
- 2650US8982437B2Hologram recording film and method of manufacturing same, and image display apparatusKUWAHARA MIEKO·Filed 2009·Granted Mar 17, 2015·1 cites·7 claims
- 2747US11003212B2Image display device, display device, and adjustment method for display deviceSONY CORP·Filed 2017·Granted May 11, 2021·0 cites·19 claims
- 2847US2011019250A1Image displaying apparatus and optical ApparatusSONY CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →