Takafumi HANAOKA

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens barrel and interchangeable lens camera
- Patent number 12,019,356
- Issue date Jun 25, 2024
- NITTOH INC.
- Takafumi Hanaoka
- G02 - OPTICS
Information Patent Grant
Optical diaphragm device, lens barrel and imaging device or project...
- Patent number 11,500,134
- Issue date Nov 15, 2022
- NITTOH INC.
- Takafumi Hanaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical diaphragm device, lens barrel and imaging device or project...
- Patent number 10,884,317
- Issue date Jan 5, 2021
- NITTOH INC.
- Takafumi Hanaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection lens barrel and projection display device
- Patent number 10,754,120
- Issue date Aug 25, 2020
- NITTOH INC.
- Takafumi Hanaoka
- G02 - OPTICS
Information Patent Grant
Projection lens barrel and projection display device
- Patent number 10,222,576
- Issue date Mar 5, 2019
- NITTOH INC.
- Takafumi Hanaoka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LENS BARREL AND INTERCHANGEABLE LENS CAMERA
- Publication number 20210232022
- Publication date Jul 29, 2021
- Nittoh Inc.
- Takafumi HANAOKA
- G02 - OPTICS
Information Patent Application
OPTICAL DIAPHRAGM DEVICE, LENS BARREL AND IMAGING DEVICE OR PROJECT...
- Publication number 20200379148
- Publication date Dec 3, 2020
- Nittoh Inc.
- Takafumi HANAOKA
- G02 - OPTICS
Information Patent Application
LENS UNIT
- Publication number 20200264404
- Publication date Aug 20, 2020
- NITTOH INC.
- Takafumi HANAOKA
- G02 - OPTICS
Information Patent Application
OPTICAL DIAPHRAGM DEVICE, LENS BARREL AND IMAGING DEVICE OR PROJECT...
- Publication number 20200089080
- Publication date Mar 19, 2020
- Nittoh Inc.
- Takafumi HANAOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION LENS BARREL AND PROJECTION DISPLAY DEVICE
- Publication number 20190154950
- Publication date May 23, 2019
- NITTOH INC.
- Takafumi HANAOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION LENS BARREL AND PROJECTION DISPLAY DEVICE
- Publication number 20170235089
- Publication date Aug 17, 2017
- NITTOH INC.
- Takafumi HANAOKA
- G02 - OPTICS