Koji Takahara

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical lens with antireflective film, projection lens, and project...
- Patent number 11,846,754
- Issue date Dec 19, 2023
- Konica Minolta, Inc.
- Yoshihiro Nakano
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Projection lens
- Patent number 10,942,294
- Issue date Mar 9, 2021
- Konica Minolta, Inc.
- Yoshihiro Nakano
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Projection lens and projector with laser beam light source
- Patent number 10,145,988
- Issue date Dec 4, 2018
- Konica Minolta, Inc.
- Miyuki Teramoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color splitting/combining prism, and optical system and projector t...
- Patent number 9,874,806
- Issue date Jan 23, 2018
- Konica Minolta, Inc.
- Koji Takahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Prism unit and projector
- Patent number 9,866,806
- Issue date Jan 9, 2018
- Konica Minolta, Inc.
- Miyuki Teramoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color separating and combining prism and projector using same
- Patent number 9,819,918
- Issue date Nov 14, 2017
- Konica Minolta, Inc.
- Koji Takahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Prism for projection optical system and optical system having same
- Patent number 9,651,790
- Issue date May 16, 2017
- Konica Minolta, Inc.
- Koji Takahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polarization conversion optical system and polarization conversion...
- Patent number 7,038,852
- Issue date May 2, 2006
- Minolta Co., Ltd.
- Koji Takahara
- G02 - OPTICS
Information Patent Grant
Diffractive optical element
- Patent number 6,822,796
- Issue date Nov 23, 2004
- Minolta Co. Ltd.
- Kyu Takada
- G02 - OPTICS
Information Patent Grant
Optical switch using an optical waveguide
- Patent number 6,807,330
- Issue date Oct 19, 2004
- Minolta Co., Ltd.
- Naoki Nishida
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING OPTICAL LENS PROVIDED WITH ANTI-REFLECTION...
- Publication number 20220413186
- Publication date Dec 29, 2022
- Konica Minolta, Inc.
- Yoshihiro Nakano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OPTICAL LENS WITH ANTIREFLECTIVE FILM, PROJECTION LENS, AND PROJECT...
- Publication number 20210199854
- Publication date Jul 1, 2021
- Konica Minolta, Inc.
- Yoshihiro Nakano
- G02 - OPTICS
Information Patent Application
PROJECTION LENS
- Publication number 20200319376
- Publication date Oct 8, 2020
- Konica Minolta, Inc.
- Yoshihiro NAKANO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL ELEMENT AND PROJECTION LENS
- Publication number 20200209434
- Publication date Jul 2, 2020
- Konica Minolta, Inc.
- Yoshihiro NAKANO
- G02 - OPTICS
Information Patent Application
COLOR SPLITTING/COMBINING PRISM, AND OPTICAL SYSTEM AND PROJECTOR T...
- Publication number 20160363851
- Publication date Dec 15, 2016
- Konica Minolta, Inc.
- Koji Takahara
- G02 - OPTICS
Information Patent Application
COLOR SEPARATING AND COMBINING PRISM AND PROJECTOR USING SAME
- Publication number 20160309126
- Publication date Oct 20, 2016
- Konica Minolta, Inc.
- Koji Takahara
- G02 - OPTICS
Information Patent Application
PROJECTION LENS AND PROJECTOR
- Publication number 20160277718
- Publication date Sep 22, 2016
- Konica Minolta, Inc.
- Miyuki Teramoto
- G02 - OPTICS
Information Patent Application
PRISM UNIT AND PROJECTOR
- Publication number 20160085081
- Publication date Mar 24, 2016
- KONICA MINOLTA INC
- Miyuki Teramoto
- G02 - OPTICS
Information Patent Application
IR CUT FILTER AND IMAGE CAPTURING DEVICE INCLUDING SAME
- Publication number 20150346403
- Publication date Dec 3, 2015
- Konica Minolta, Inc.
- HIDETAKA JIDAI
- G02 - OPTICS
Information Patent Application
PRISM FOR PROJECTION OPTICAL SYSTEM AND OPTICAL SYSTEM HAVING SAME
- Publication number 20150160462
- Publication date Jun 11, 2015
- Konica Minolta, Inc.
- Koji Takahara
- G02 - OPTICS
Information Patent Application
Reflecting optical element and optical pickup device
- Publication number 20050213471
- Publication date Sep 29, 2005
- KONICA MINOLTA OPTO, INC.
- Tomokazu Taguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Surface treatment process
- Publication number 20030102286
- Publication date Jun 5, 2003
- Koji Takahara
- G02 - OPTICS
Information Patent Application
Optical switch
- Publication number 20020150323
- Publication date Oct 17, 2002
- Naoki Nishida
- G02 - OPTICS
Information Patent Application
Polarization conversion optical system and polarization conversion...
- Publication number 20020067546
- Publication date Jun 6, 2002
- Koji Takahara
- G02 - OPTICS
Information Patent Application
Diffractive optical element
- Publication number 20020063962
- Publication date May 30, 2002
- Kyu Takada
- G02 - OPTICS

Koji Takahara

Person

Patents Grantslast 30 patents

Optical lens with antireflective film, projection lens, and project...

Projection lens

Projection lens and projector with laser beam light source

Color splitting/combining prism, and optical system and projector t...

Prism unit and projector

Color separating and combining prism and projector using same

Prism for projection optical system and optical system having same

Polarization conversion optical system and polarization conversion...

Diffractive optical element

Optical switch using an optical waveguide

Patents Applicationslast 30 patents

METHOD FOR MANUFACTURING OPTICAL LENS PROVIDED WITH ANTI-REFLECTION...

OPTICAL LENS WITH ANTIREFLECTIVE FILM, PROJECTION LENS, AND PROJECT...

PROJECTION LENS

OPTICAL ELEMENT AND PROJECTION LENS

COLOR SPLITTING/COMBINING PRISM, AND OPTICAL SYSTEM AND PROJECTOR T...

COLOR SEPARATING AND COMBINING PRISM AND PROJECTOR USING SAME

PROJECTION LENS AND PROJECTOR

PRISM UNIT AND PROJECTOR

IR CUT FILTER AND IMAGE CAPTURING DEVICE INCLUDING SAME

PRISM FOR PROJECTION OPTICAL SYSTEM AND OPTICAL SYSTEM HAVING SAME

Reflecting optical element and optical pickup device

Surface treatment process

Optical switch

Polarization conversion optical system and polarization conversion...

Diffractive optical element