Inventor
MORIKUNI EIJI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “MORIKUNI EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
33 patentsUS7986457B2Jul 26, 2011
Screen, projector, and image display device
SEIKO EPSON CORP9 citations84
US7922333B2Apr 12, 2011
Projector, screen, projector system, and scintillation removing apparatus for removing scintillation on an image display using a vibration generating unit
SEIKO EPSON CORP14 citations84
US7841728B2Nov 30, 2010
Image display apparatus
SEIKO EPSON CORP11 citations84
US6763915B2Jul 20, 2004
Mainspring mechanism and device having the same
SEIKO EPSON CORP14 citations79
US8794772B2Aug 5, 2014
Proximity projector having a dust-proof cover with an anti-reflection film
SEIKO EPSON CORP5 citations73
US11073749B2Jul 27, 2021
Projection system, projection-type image display apparatus, and imaging apparatus
SEIKO EPSON CORP2 citations72
US7984994B2Jul 26, 2011
Image display apparatus
SEIKO EPSON CORP2 citations63
US7660037B2Feb 9, 2010
Screen, projector, and image display device
SEIKO EPSON CORP1 citations63
US12572063B2Mar 10, 2026
Optical system and projector
SEIKO EPSON CORP0 citations62
US11579424B2Feb 14, 2023
Projection system and projector
SEIKO EPSON CORP1 citations62
US11086112B2Aug 10, 2021
Projection system and projection-type image display apparatus
SEIKO EPSON CORP1 citations62
US11042083B2Jun 22, 2021
Projection system and projection-type image display apparatus
SEIKO EPSON CORP1 citations62
US7961389B2Jun 14, 2011
Screen and projector
SEIKO EPSON CORP2 citations62
US7764425B2Jul 27, 2010
Screen and projector
SEIKO EPSON CORP3 citations62
US12547062B2Feb 10, 2026
Optical system and projector
SEIKO EPSON CORP0 citations60
US12457308B2Oct 28, 2025
Projection device and method for controlling projection device
SEIKO EPSON CORP0 citations52
US12455437B2Oct 28, 2025
Optical system and projector
SEIKO EPSON CORP0 citations52
US12228849B2Feb 18, 2025
Optical device, projector, and imaging apparatus
SEIKO EPSON CORP0 citations52
US12096161B2Sep 17, 2024
Projection system, and control method for projection system
SEIKO EPSON CORP0 citations52
US11947759B2Apr 2, 2024
Projection system sharing image between projection device and display device
SEIKO EPSON CORP0 citations52
US11754916B2Sep 12, 2023
Projection system and projector that have a shorter projection distance
SEIKO EPSON CORP0 citations52
US11703745B2Jul 18, 2023
Optical device, projector, and imaging apparatus
SEIKO EPSON CORP0 citations52
US11586104B2Feb 21, 2023
Projection system and projector
SEIKO EPSON CORP0 citations52
US11422453B2Aug 23, 2022
Lens and projection-type image display apparatus
SEIKO EPSON CORP0 citations52
US11409190B2Aug 9, 2022
Optical element and projection-type image display apparatus
SEIKO EPSON CORP0 citations52
US7977624B2Jul 12, 2011
Screen, rear projector, and image display device that are capable of effectively reducing scintillation
SEIKO EPSON CORP0 citations52
US7807959B2Oct 5, 2010
Screen, rear projector, and image display device having a plurality of driving units each with a power source that are capable of effectively reducing scintillation
SEIKO EPSON CORP0 citations52
US11073754B2Jul 27, 2021
Projection optical system, projection-type image display device, imaging device, and method of manufacturing optical element
SEIKO EPSON CORP0 citations51
US11073753B2Jul 27, 2021
Projection optical system, projection-type image display device, and imaging device
SEIKO EPSON CORP0 citations51
US11815669B2Nov 14, 2023
Lens, optical system, projector, and imaging device
SEIKO EPSON CORP0 citations43
US9372328B2Jun 21, 2016
Projection system and projector
SEIKO EPSON CORP0 citations42
US9448390B2Sep 20, 2016
Projection optical system and projector having the same
SEIKO EPSON CORP0 citations41
US7834990B2Nov 16, 2010
Evaluation method for evaluating optical characteristics of optical system, evaluation method for evaluating projector, evaluation device for evaluating optical characteristics, and screen
SEIKO EPSON CORP0 citations41
MORIKUNI EIJI
9 patentsUS8801197B2Aug 12, 2014
Projection optical system and projector including the same
MORIKUNI EIJI10 citations83
US8827463B2Sep 9, 2014
Projector and anamorphic prism optical unit
MORIKUNI EIJI6 citations72
US8955981B2Feb 17, 2015
Projector, projection unit, and interactive board
MORIKUNI EIJI3 citations62
US8434878B2May 7, 2013
Proximity projector with a transmissive cover with modified reflectance properties
MORIKUNI EIJI2 citations62
US8330876B2Dec 11, 2012
Projector
MORIKUNI EIJI2 citations62
US8267524B2Sep 18, 2012
Projection system and projector with widened projection of light for projection onto a close object
MORIKUNI EIJI2 citations62
US9417513B2Aug 16, 2016
Projector, projection unit and interactive board
MORIKUNI EIJI1 citations51
US9128365B2Sep 8, 2015
Projector, projection unit, and interactive board
MORIKUNI EIJI1 citations51
US8130445B2Mar 6, 2012
Screen and projector
MORIKUNI EIJI0 citations51
OTANI MAKOTO
4 patentsUS8662679B2Mar 4, 2014
Projection system and projector including the same
OTANI MAKOTO5 citations71
US8870388B2Oct 28, 2014
Optical projection system and projector including the same
OTANI MAKOTO1 citations51
US8817382B2Aug 26, 2014
Optical projection system and projector including the same
OTANI MAKOTO0 citations40
US8760768B2Jun 24, 2014
Optical projection system and projector including the same
OTANI MAKOTO0 citations40