Atsushi Koyama

Person

Tochigi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical apparatus
- Patent number 9,565,352
- Issue date Feb 7, 2017
- Canon Kabushiki Kaisha
- Hirokazu Shukuin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens barrel and optical apparatus
- Patent number 9,213,170
- Issue date Dec 15, 2015
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Grant
Optical apparatus
- Patent number 9,007,510
- Issue date Apr 14, 2015
- Canon Kabushiki Kaisha
- Daisuke Ochi
- G02 - OPTICS
Information Patent Grant
Optical apparatus for calculating an object distance
- Patent number 8,743,267
- Issue date Jun 3, 2014
- Canon Kabushiki Kaisha
- Masanori Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical apparatus and camera system having a function of moving a f...
- Patent number 8,462,216
- Issue date Jun 11, 2013
- Canon Kabushiki Kaisha
- Shigeki Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens barrel and optical apparatus including the same
- Patent number 8,441,742
- Issue date May 14, 2013
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Grant
Optical apparatus and camera system having a function of moving a f...
- Patent number 8,259,182
- Issue date Sep 4, 2012
- Canon Kabushiki Kaisha
- Shigeki Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens barrel and optical apparatus including the same
- Patent number 8,228,619
- Issue date Jul 24, 2012
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Grant
Interchangeable lens, interchangeable lens system and camera system
- Patent number 8,218,066
- Issue date Jul 10, 2012
- Canon Kabushiki Kaisha
- Eiri Tsukatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens apparatus and optical apparatus
- Patent number 7,420,748
- Issue date Sep 2, 2008
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Interchangeable lens, interchangeable lens system and camera system
- Patent number 7,118,295
- Issue date Oct 10, 2006
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Grant
Intermediate adapter and camera system
- Patent number 7,085,485
- Issue date Aug 1, 2006
- Canon Kabushiki Kaisha
- Jun Sugita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens apparatus, camera system, and camera
- Patent number 7,050,243
- Issue date May 23, 2006
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Grant
Image blur correction apparatus
- Patent number 6,529,337
- Issue date Mar 4, 2003
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LENS BARREL AND OPTICAL APPARATUS
- Publication number 20140133035
- Publication date May 15, 2014
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Application
OPTICAL APPARATUS
- Publication number 20130201385
- Publication date Aug 8, 2013
- Canon Kabushiki Kaisha
- Hirokazu Shukuin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL APPARATUS
- Publication number 20130107105
- Publication date May 2, 2013
- Canon Kabushiki Kaisha
- Masanori Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL APPARATUS
- Publication number 20130070144
- Publication date Mar 21, 2013
- Canon Kabushiki Kaisha
- Daisuke Ochi
- G02 - OPTICS
Information Patent Application
OPTICAL APPARATUS PERFORMING POSITION CONTROL OF FOCUS LENS UNIT
- Publication number 20130064534
- Publication date Mar 14, 2013
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Application
OPTICAL APPARATUS AND CAMERA SYSTEM HAVING A FUNCTION OF MOVING A F...
- Publication number 20120293675
- Publication date Nov 22, 2012
- Canon Kabushiki Kaisha
- Shigeki Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LENS BARREL AND OPTICAL APPARATUS INCLUDING THE SAME
- Publication number 20120257286
- Publication date Oct 11, 2012
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Application
LENS BARREL AND OPTICAL APPARATUS INCLUDING THE SAME
- Publication number 20110032627
- Publication date Feb 10, 2011
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G02 - OPTICS
Information Patent Application
OPTICAL APPARATUS AND CAMERA SYSTEM
- Publication number 20100026821
- Publication date Feb 4, 2010
- Canon Kabushiki Kaisha
- Shigeki Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LENS APPARATUS AND OPTICAL APPARATUS
- Publication number 20070195430
- Publication date Aug 23, 2007
- Canon Kabushiki Kaisha
- Atsushi Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lens apparatus, camera system, and camera
- Publication number 20050168836
- Publication date Aug 4, 2005
- Atsushi Koyama
- G02 - OPTICS
Information Patent Application
Interchangeable lens, interchangeable lens system and camera system
- Publication number 20050031338
- Publication date Feb 10, 2005
- Atsushi Koyama
- G02 - OPTICS
Information Patent Application
Interchangeable lens, interchangeable lens system and camera system
- Publication number 20050030410
- Publication date Feb 10, 2005
- Eiri Tsukatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Intermediate adapter and camera system
- Publication number 20050025472
- Publication date Feb 3, 2005
- Jun Sugita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image blur correction apparatus
- Publication number 20010030814
- Publication date Oct 18, 2001
- Atsushi Koyama
- G02 - OPTICS

Atsushi Koyama

Person

Patents Grantslast 30 patents

Optical apparatus

Lens barrel and optical apparatus

Optical apparatus

Optical apparatus for calculating an object distance

Optical apparatus and camera system having a function of moving a f...

Lens barrel and optical apparatus including the same

Optical apparatus and camera system having a function of moving a f...

Lens barrel and optical apparatus including the same

Interchangeable lens, interchangeable lens system and camera system

Lens apparatus and optical apparatus

Interchangeable lens, interchangeable lens system and camera system

Intermediate adapter and camera system

Lens apparatus, camera system, and camera

Image blur correction apparatus

Patents Applicationslast 30 patents

LENS BARREL AND OPTICAL APPARATUS

OPTICAL APPARATUS

OPTICAL APPARATUS

OPTICAL APPARATUS

OPTICAL APPARATUS PERFORMING POSITION CONTROL OF FOCUS LENS UNIT

OPTICAL APPARATUS AND CAMERA SYSTEM HAVING A FUNCTION OF MOVING A F...

LENS BARREL AND OPTICAL APPARATUS INCLUDING THE SAME

LENS BARREL AND OPTICAL APPARATUS INCLUDING THE SAME

OPTICAL APPARATUS AND CAMERA SYSTEM

LENS APPARATUS AND OPTICAL APPARATUS

Lens apparatus, camera system, and camera

Interchangeable lens, interchangeable lens system and camera system

Interchangeable lens, interchangeable lens system and camera system

Intermediate adapter and camera system

Image blur correction apparatus