Inventor
MATSUO TAKAHIKO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MATSUO TAKAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTOH INC
13 patentsUS9785043B2Oct 10, 2017
Projection optical system and projector apparatus
NITTOH INC7 citations82
US10761415B2Sep 1, 2020
Projection optical system and projector apparatus
NITTOH INC2 citations71
US10754239B2Aug 25, 2020
Projection optical assembly and projector device
NITTOH INC2 citations71
US10645353B2May 5, 2020
Projection optical system and projector
NITTOH INC3 citations71
US10375363B2Aug 6, 2019
Projection optical system and projector
NITTOH INC1 citations71
US10310366B2Jun 4, 2019
Projection optical assembly and projector device
NITTOH INC2 citations71
US10063819B2Aug 28, 2018
Projection optical system and projector
NITTOH INC2 citations71
US10884326B2Jan 5, 2021
Projection optical system and projector
NITTOH INC1 citations62
US12487436B2Dec 2, 2025
Image-forming optical system, projection device, and imaging device
NITTOH INC0 citations50
US12411323B2Sep 9, 2025
Optical system having intermediate image formed therein
NITTOH INC0 citations50
US11720007B2Aug 8, 2023
Projection optical system and projector apparatus
NITTOH INC0 citations50
US10754120B2Aug 25, 2020
Projection lens barrel and projection display device
NITTOH INC0 citations43
US10222576B2Mar 5, 2019
Projection lens barrel and projection display device
NITTOH INC0 citations43