Inventor
TOTANI TAKAHIRO
JP71 patents
⚠️ This page may combine multiple inventors who share the name “TOTANI TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
34 patentsUS10397560B2Aug 27, 2019
Transmission-type display
SEIKO EPSON CORP17 citations86
US10180576B2Jan 15, 2019
Virtual image display device
SEIKO EPSON CORP6 citations84
US10078222B2Sep 18, 2018
Light guide device and virtual-image display device
SEIKO EPSON CORP13 citations84
US9513479B2Dec 6, 2016
Virtual image display apparatus
SEIKO EPSON CORP12 citations84
US9400389B2Jul 26, 2016
Virtual image display device
SEIKO EPSON CORP4 citations84
US9116342B2Aug 25, 2015
Virtual image display apparatus
SEIKO EPSON CORP11 citations84
US11163162B2Nov 2, 2021
Light control shade for transmissive display apparatus
SEIKO EPSON CORP2 citations73
US10986303B2Apr 20, 2021
Virtual image display apparatus and video device unit manufacturing method
SEIKO EPSON CORP3 citations73
US10674108B2Jun 2, 2020
Virtual image display apparatus and video device unit manufacturing method
SEIKO EPSON CORP3 citations73
US10645374B2May 5, 2020
Head-mounted display device and display control method for head-mounted display device
SEIKO EPSON CORP5 citations73
US10394028B2Aug 27, 2019
Virtual image display apparatus
SEIKO EPSON CORP2 citations73
US10310270B2Jun 4, 2019
Virtual image display apparatus
SEIKO EPSON CORP2 citations73
US10281963B2May 7, 2019
Image display device and head mounted image display device
SEIKO EPSON CORP2 citations73
US10271003B2Apr 23, 2019
Virtual image display apparatus and video device unit manufacturing method
SEIKO EPSON CORP2 citations73
US10108015B2Oct 23, 2018
Light guide device and virtual image display apparatus
SEIKO EPSON CORP6 citations73
US10073273B2Sep 11, 2018
Virtual image display apparatus
SEIKO EPSON CORP2 citations73
US9979936B2May 22, 2018
Virtual image display apparatus
SEIKO EPSON CORP2 citations73
US9720239B2Aug 1, 2017
Virtual image display device
SEIKO EPSON CORP2 citations73
US9678344B2Jun 13, 2017
Virtual image display apparatus with registration mechanism
SEIKO EPSON CORP2 citations73
US9535249B2Jan 3, 2017
Virtual image display apparatus
SEIKO EPSON CORP2 citations73
US9507154B2Nov 29, 2016
Virtual image display apparatus
SEIKO EPSON CORP6 citations73
US9477084B2Oct 25, 2016
Virtual image display apparatus including a light guide member having four or more curved surfaces
SEIKO EPSON CORP4 citations73
US9436010B2Sep 6, 2016
Virtual image display apparatus having prism with specific polynomial relationship between prism surface shapes
SEIKO EPSON CORP3 citations73
US9195066B2Nov 24, 2015
Virtual image display apparatus
SEIKO EPSON CORP6 citations73
US8976087B2Mar 10, 2015
Virtual image display device
SEIKO EPSON CORP6 citations73
US10330934B2Jun 25, 2019
Image relay optical system and virtual image display device including the same
SEIKO EPSON CORP1 citations63
US10261322B2Apr 16, 2019
Virtual image display apparatus
SEIKO EPSON CORP1 citations63
US9052506B2Jun 9, 2015
Virtual image display device and manufacturing method of virtual image display device
SEIKO EPSON CORP2 citations63
US7950809B2May 31, 2011
Hologram element, illumination device, projector, and method of manufacturing hologram element
SEIKO EPSON CORP2 citations63
US11570394B2Jan 31, 2023
Virtual image display apparatus and video device unit manufacturing method
SEIKO EPSON CORP0 citations62
US10502961B2Dec 10, 2019
Virtual image display apparatus
SEIKO EPSON CORP1 citations62
US10802289B2Oct 13, 2020
Virtual image display device
SEIKO EPSON CORP0 citations52
US10735701B2Aug 4, 2020
Virtual image display apparatus
SEIKO EPSON CORP0 citations52
US10481398B2Nov 19, 2019
Virtual image display apparatus
SEIKO EPSON CORP0 citations52
TAKAGI MASAYUKI
5 patentsUS8662686B2Mar 4, 2014
Light guide plate and virtual image display apparatus having the same
TAKAGI MASAYUKI305 citations99
US8576491B2Nov 5, 2013
Virtual image display device
TAKAGI MASAYUKI313 citations99
US8976452B2Mar 10, 2015
Virtual image display device
TAKAGI MASAYUKI4 citations73
US9223137B2Dec 29, 2015
Virtual image display apparatus
TAKAGI MASAYUKI2 citations63
US8654445B2Feb 18, 2014
Virtual image display device and light guide plate therefor
TAKAGI MASAYUKI3 citations63
TOTANI TAKAHIRO
4 patentsUS8854735B2Oct 7, 2014
Virtual image display system
TOTANI TAKAHIRO177 citations99
US8587869B2Nov 19, 2013
Virtual image display device
TOTANI TAKAHIRO303 citations99
US8564883B2Oct 22, 2013
Virtual image display device
TOTANI TAKAHIRO311 citations99
US9291822B2Mar 22, 2016
Light guide plate and virtual image display device equipped with the same
TOTANI TAKAHIRO3 citations73
TAKEDA TAKASHI
3 patentsUS8837880B2Sep 16, 2014
Virtual image display device
TAKEDA TAKASHI298 citations99
US8711487B2Apr 29, 2014
Virtual image display device and manufacturing method of virtual image display device
TAKEDA TAKASHI312 citations99
US9261688B2Feb 16, 2016
Image relay optical system and virtual image display device including the same
TAKEDA TAKASHI11 citations84
SANYO ELECTRIC CO
3 patentsMIYAO TOSHIAKI
1 patentShowing the top 50 of 71 patents by PatentIndex Score.