Inventor
HANAOKA TAKAFUMI
JP5 patents
Patents
5 patentsUS10884317B2Jan 5, 2021
Optical diaphragm device, lens barrel and imaging device or projection device
NITTOH INC1 citations55
US12019356B2Jun 25, 2024
Lens barrel and interchangeable lens camera
NITTOH INC0 citations44
US11500134B2Nov 15, 2022
Optical diaphragm device, lens barrel and imaging device or projection device
NITTOH INC0 citations44
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