Inventor
KITAHARA WATARU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KITAHARA WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
10 patentsUS12464098B2Nov 4, 2025
Light source device and display device
NICHIA CORP0 citations60
US12359791B2Jul 15, 2025
Optical lens and lighting device
NICHIA CORP0 citations60
US11391434B2Jul 19, 2022
Lighting device, vehicle, and method of casting light
NICHIA CORP0 citations60
US10995933B2May 4, 2021
Optical device and illumination device
NICHIA CORP1 citations59
US12535680B2Jan 27, 2026
Light source unit and image display device
NICHIA CORP0 citations51
US12265220B2Apr 1, 2025
Image display device
NICHIA CORP0 citations51
US12158580B2Dec 3, 2024
Light source unit and image display device
NICHIA CORP0 citations51
US11662655B2May 30, 2023
Rod lens array, and lighting optical system and device including same
NICHIA CORP0 citations50
US10760768B2Sep 1, 2020
Optical device and illumination device
NICHIA CORP0 citations50
US11204151B2Dec 21, 2021
Optical device and illumination device
NICHIA CORP0 citations47
SEIKO EPSON CORP
5 patentsUS8038307B2Oct 18, 2011
Projector with a projection position adjusting device
SEIKO EPSON CORP7 citations82
US7997741B2Aug 16, 2011
Projector
SEIKO EPSON CORP5 citations61
US9028075B2May 12, 2015
Projector for preventing thermal deterioration of a light shielding member
SEIKO EPSON CORP2 citations60
US7954964B2Jun 7, 2011
Projector having a position adjusting device that moves the projection optical device
SEIKO EPSON CORP1 citations50
US7891827B2Feb 22, 2011
Projector
SEIKO EPSON CORP0 citations39