Keisuke ICHIKAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wide-angle optical system and image pickup apparatus using the same
- Patent number 12,117,602
- Issue date Oct 15, 2024
- Olympus Corporation
- Takashi Fujikura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wide-angle optical system and image pickup apparatus using the same
- Patent number 12,085,707
- Issue date Sep 10, 2024
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Wide-angle optical system including three lens units of −++ refract...
- Patent number 12,066,603
- Issue date Aug 20, 2024
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Microscope objective
- Patent number 11,002,950
- Issue date May 11, 2021
- Olympus Corporation
- Yo Furuya
- G02 - OPTICS
Information Patent Grant
Single-focus optical system and optical apparatus using the same
- Patent number 10,830,991
- Issue date Nov 10, 2020
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Single-focus optical system and optical apparatus using the same
- Patent number 10,663,705
- Issue date May 26, 2020
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Single-focus optical system and optical apparatus using the same
- Patent number 10,274,705
- Issue date Apr 30, 2019
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Single focus optical system and optical apparatus using the same
- Patent number 10,197,768
- Issue date Feb 5, 2019
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Single-focus optical system and optical apparatus using the same
- Patent number 10,197,769
- Issue date Feb 5, 2019
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Single focus optical system and optical apparatus using the same
- Patent number 10,191,253
- Issue date Jan 29, 2019
- OLYMPUS CORPRATION
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Single-focus optical system and optical apparatus using the same
- Patent number 10,191,258
- Issue date Jan 29, 2019
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Zoom lens and lens barrel and image pickup apparatus using the same
- Patent number 10,185,131
- Issue date Jan 22, 2019
- Olympus Corporation
- Takashi Fujikura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging optical system and optical apparatus including the same
- Patent number 10,114,200
- Issue date Oct 30, 2018
- Olympus Corporation
- Keisuke Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing system, information processing device, infor...
- Patent number 10,031,866
- Issue date Jul 24, 2018
- Sony Interactive Entertainment Inc.
- Eiichi Nishina
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Optical system and optical instrument, image pickup apparatus, and...
- Patent number 9,964,742
- Issue date May 8, 2018
- Olympus Corporation
- Yoshihiro Uchida
- G02 - OPTICS
Information Patent Grant
Imaging optical system and optical apparatus including the same
- Patent number 9,958,653
- Issue date May 1, 2018
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Information processing apparatus, information processing method, pr...
- Patent number 9,961,140
- Issue date May 1, 2018
- Sony Interactive Entertainment Inc.
- Keisuke Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging optical system and optical apparatus including the same
- Patent number 9,952,416
- Issue date Apr 24, 2018
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Image forming lens system and image pickup apparatus using the same
- Patent number 9,946,050
- Issue date Apr 17, 2018
- Olympus Corporation
- Takashi Fujikura
- G02 - OPTICS
Information Patent Grant
Image forming optical system and electronic image pickup apparatus...
- Patent number 9,602,733
- Issue date Mar 21, 2017
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Zoom lens, and imaging apparatus incorporating the same
- Patent number 9,500,841
- Issue date Nov 22, 2016
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Zoom lens and image pickup apparatus using the same
- Patent number 9,448,392
- Issue date Sep 20, 2016
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Image forming lens system and image pickup apparatus using the same
- Patent number 9,400,371
- Issue date Jul 26, 2016
- Olympus Corporation
- Takashi Fujikura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical system and optical instrument, image pickup apparatus, and...
- Patent number 9,329,369
- Issue date May 3, 2016
- Olympus Corporation
- Yoshihiro Uchida
- G02 - OPTICS
Information Patent Grant
Optical system and optical instrument, image pickup apparatus, and...
- Patent number 9,151,937
- Issue date Oct 6, 2015
- Olympus Corporation
- Yoshihiro Uchida
- G02 - OPTICS
Information Patent Grant
Zoom lens and image pickup apparatus using the same
- Patent number 9,134,517
- Issue date Sep 15, 2015
- Olympus Corporation
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Grant
Objective optical system and observation apparatus provided with th...
- Patent number 9,019,621
- Issue date Apr 28, 2015
- Olympus Corporation
- Keisuke Takada
- G02 - OPTICS
Information Patent Grant
Zoom lens and electronic imaging apparatus incorporating the same
- Patent number 8,599,491
- Issue date Dec 3, 2013
- Olympus Imaging Corp.
- Toyoki Kon
- G02 - OPTICS
Information Patent Grant
Image forming optical system and electronic image pickup apparatus...
- Patent number 8,593,735
- Issue date Nov 26, 2013
- Olympus Corporation
- Keisuke Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming optical system and electronic image pickup apparatus...
- Patent number 8,520,135
- Issue date Aug 27, 2013
- Olympus Imaging Corp.
- Shinichi Mihara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION TERMINAL, MANAGEMENT SERVER, INFORMATION PROCESSING SYS...
- Publication number 20230105178
- Publication date Apr 6, 2023
- Sony Interactive Entertainment Inc.
- Takehiko Tsurumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME
- Publication number 20210255439
- Publication date Aug 19, 2021
- OLYMPUS CORPORATION
- Takashi FUJIKURA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME
- Publication number 20210255440
- Publication date Aug 19, 2021
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME
- Publication number 20210239950
- Publication date Aug 5, 2021
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME
- Publication number 20210181488
- Publication date Jun 17, 2021
- OLYMPUS CORPORATION
- Takashi FUJIKURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME
- Publication number 20190033563
- Publication date Jan 31, 2019
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME
- Publication number 20180314043
- Publication date Nov 1, 2018
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME
- Publication number 20180074289
- Publication date Mar 15, 2018
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME
- Publication number 20180067281
- Publication date Mar 8, 2018
- OLYMPUS CORPORATION
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Application
SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME
- Publication number 20180067282
- Publication date Mar 8, 2018
- OLYMPUS CORPORATION
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Application
SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME
- Publication number 20180052300
- Publication date Feb 22, 2018
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME
- Publication number 20180052310
- Publication date Feb 22, 2018
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
MICROSCOPE OBJECTIVE
- Publication number 20170168281
- Publication date Jun 15, 2017
- OLYMPUS CORPORATION
- Yo FURUYA
- G02 - OPTICS
Information Patent Application
IMAGING OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME
- Publication number 20170108675
- Publication date Apr 20, 2017
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
IMAGING OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME
- Publication number 20170108674
- Publication date Apr 20, 2017
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
IMAGING OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME
- Publication number 20170108673
- Publication date Apr 20, 2017
- OLYMPUS CORPORATION
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
IMAGE FORMING LENS SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME
- Publication number 20160306186
- Publication date Oct 20, 2016
- OLYMPUS CORPORATION
- Takashi Fujikura
- G02 - OPTICS
Information Patent Application
Optical System and Optical Instrument, Image Pickup Apparatus, and...
- Publication number 20160202461
- Publication date Jul 14, 2016
- OLYMPUS CORPORATION
- Yoshihiro Uchida
- G02 - OPTICS
Information Patent Application
Zoom Lens and Lens Barrel and Image Pickup Apparatus Using the Same
- Publication number 20160147050
- Publication date May 26, 2016
- OLYMPUS CORPORATION
- Takashi Fujikura
- G02 - OPTICS
Information Patent Application
Optical System and Optical Instrument, Image Pickup Apparatus, and...
- Publication number 20150355445
- Publication date Dec 10, 2015
- OLYMPUS CORPORATION
- Yoshihiro Uchida
- G02 - OPTICS
Information Patent Application
Zoom Lens and Image Pickup Apparatus Using the Same
- Publication number 20150346466
- Publication date Dec 3, 2015
- OLYMPUS CORPORATION
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Application
Image Forming Optical System and Electronic Image Pickup Apparatus...
- Publication number 20150237266
- Publication date Aug 20, 2015
- OLYMPUS CORPORATION
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSOR, INFORMATION P...
- Publication number 20150207730
- Publication date Jul 23, 2015
- Sony Computer Entertainment Inc.
- Eiichi Nishina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, PR...
- Publication number 20150207876
- Publication date Jul 23, 2015
- SONY COMPUTER ENTERTAINMENT INC.
- Keisuke Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image Forming Lens System and Image Pickup Apparatus Using the Same
- Publication number 20150146036
- Publication date May 28, 2015
- OLYMPUS CORPORATION
- Takashi Fujikura
- G02 - OPTICS
Information Patent Application
Optical System and Optical Instrument, Image Pickup Apparatus, and...
- Publication number 20150103413
- Publication date Apr 16, 2015
- OLYMPUS CORPORATION
- Yoshihiro Uchida
- G02 - OPTICS
Information Patent Application
ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME
- Publication number 20140376102
- Publication date Dec 25, 2014
- Keisuke Ichikawa
- G02 - OPTICS
Information Patent Application
Objective Optical System and Observation Apparatus Provided with th...
- Publication number 20130163094
- Publication date Jun 27, 2013
- OLYMPUS CORPORATION
- Keisuke Takada
- G02 - OPTICS
Information Patent Application
ZOOM LENS, AND IMAGING APPARATUS INCORPORATING THE SAME
- Publication number 20120307372
- Publication date Dec 6, 2012
- Keisuke ICHIKAWA
- G02 - OPTICS
Information Patent Application
Zoom lens and electronic amaging apparatus incorporating the same
- Publication number 20120075716
- Publication date Mar 29, 2012
- Toyoki Kon
- G02 - OPTICS

Keisuke ICHIKAWA

Person

Patents Grantslast 30 patents

Wide-angle optical system and image pickup apparatus using the same

Wide-angle optical system and image pickup apparatus using the same

Wide-angle optical system including three lens units of −++ refract...

Microscope objective

Single-focus optical system and optical apparatus using the same

Single-focus optical system and optical apparatus using the same

Single-focus optical system and optical apparatus using the same

Single focus optical system and optical apparatus using the same

Single-focus optical system and optical apparatus using the same

Single focus optical system and optical apparatus using the same

Single-focus optical system and optical apparatus using the same

Zoom lens and lens barrel and image pickup apparatus using the same

Imaging optical system and optical apparatus including the same

Information processing system, information processing device, infor...

Optical system and optical instrument, image pickup apparatus, and...

Imaging optical system and optical apparatus including the same

Information processing apparatus, information processing method, pr...

Imaging optical system and optical apparatus including the same

Image forming lens system and image pickup apparatus using the same

Image forming optical system and electronic image pickup apparatus...

Zoom lens, and imaging apparatus incorporating the same

Zoom lens and image pickup apparatus using the same

Image forming lens system and image pickup apparatus using the same

Optical system and optical instrument, image pickup apparatus, and...

Optical system and optical instrument, image pickup apparatus, and...

Zoom lens and image pickup apparatus using the same

Objective optical system and observation apparatus provided with th...

Zoom lens and electronic imaging apparatus incorporating the same

Image forming optical system and electronic image pickup apparatus...

Image forming optical system and electronic image pickup apparatus...

Patents Applicationslast 30 patents

INFORMATION TERMINAL, MANAGEMENT SERVER, INFORMATION PROCESSING SYS...

WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME

WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME

WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME

WIDE-ANGLE OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME

SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

MICROSCOPE OBJECTIVE

IMAGING OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME

IMAGING OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME

IMAGING OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME

IMAGE FORMING LENS SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME

Optical System and Optical Instrument, Image Pickup Apparatus, and...

Zoom Lens and Lens Barrel and Image Pickup Apparatus Using the Same

Optical System and Optical Instrument, Image Pickup Apparatus, and...

Zoom Lens and Image Pickup Apparatus Using the Same

Image Forming Optical System and Electronic Image Pickup Apparatus...

INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSOR, INFORMATION P...

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, PR...

Image Forming Lens System and Image Pickup Apparatus Using the Same

Optical System and Optical Instrument, Image Pickup Apparatus, and...

ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME

Objective Optical System and Observation Apparatus Provided with th...

ZOOM LENS, AND IMAGING APPARATUS INCORPORATING THE SAME

Zoom lens and electronic amaging apparatus incorporating the same