Tamotsu Koiwai

Person

Akiruno, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Changeable lens barrel
- Patent number 9,684,147
- Issue date Jun 20, 2017
- Olympus Corporation
- Tamotsu Koiwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens barrel and camera system
- Patent number 8,660,419
- Issue date Feb 25, 2014
- Olympus Imaging Corp
- Mitsuru Toyama
- G02 - OPTICS
Information Patent Grant
Lens barrel and camera system
- Patent number 8,565,591
- Issue date Oct 22, 2013
- Olympus Imaging Corp
- Mitsuru Toyama
- G02 - OPTICS
Information Patent Grant
Camera system and lens barrel
- Patent number 8,559,807
- Issue date Oct 15, 2013
- Olympus Imaging Corp.
- Mitsuru Toyama
- G02 - OPTICS
Information Patent Grant
Camera system
- Patent number 8,553,136
- Issue date Oct 8, 2013
- Olympus Imaging Corp.
- Mitsuru Toyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens barrel having a flare diaphragm which can advance into and ret...
- Patent number RE40685
- Issue date Mar 31, 2009
- Olympus Corporation
- Tamotsu Koiwai
- 359 - Optical: systems and elements
Information Patent Grant
Lens barrel
- Patent number 6,795,252
- Issue date Sep 21, 2004
- Olympus Corporation
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel
- Patent number 6,785,059
- Issue date Aug 31, 2004
- Olympus Corporation
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Optical apparatus including lens
- Patent number 6,671,108
- Issue date Dec 30, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel and method of assembling the same
- Patent number 6,570,719
- Issue date May 27, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel
- Patent number 6,538,826
- Issue date Mar 25, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel having a plurality of lens frames which are relatively...
- Patent number 6,487,025
- Issue date Nov 26, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens holder provided with a lens holding frame which holds a lens h...
- Patent number 6,456,446
- Issue date Sep 24, 2002
- Olympus Optical Co., Ltd.
- Ai Akiyama
- G02 - OPTICS
Information Patent Grant
Support structure for positioning lens on retention frame
- Patent number 6,388,825
- Issue date May 14, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel
- Patent number 6,373,641
- Issue date Apr 16, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens
- Patent number 6,285,515
- Issue date Sep 4, 2001
- Olympus Optical Co., Ltd.
- Tatsuo Kitazawa
- G02 - OPTICS
Information Patent Grant
Cam follower and lens barrel
- Patent number 6,198,578
- Issue date Mar 6, 2001
- Olympus Optical Co., Ltd.
- Kazuyuki Iwasa
- G02 - OPTICS
Information Patent Grant
Lens holding structure
- Patent number 6,157,501
- Issue date Dec 5, 2000
- Olympus Optical Co., Ltd.
- Mitsuhiro Sato
- G02 - OPTICS
Information Patent Grant
Camera optical system having nonphotographic lens formed integrally...
- Patent number 6,154,614
- Issue date Nov 28, 2000
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Sealing device and sealing device of camera
- Patent number 6,038,087
- Issue date Mar 14, 2000
- Olympus Optical Co., Ltd.
- Tatsuya Suzuki
- G02 - OPTICS
Information Patent Grant
Lens barrel
- Patent number 6,024,457
- Issue date Feb 15, 2000
- Olympus Optical Co., Ltd.
- Sumio Kawai
- G02 - OPTICS
Information Patent Grant
Lens barrel having a flare diaphragm which can advance into and ret...
- Patent number 5,978,160
- Issue date Nov 2, 1999
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel
- Patent number 5,933,285
- Issue date Aug 3, 1999
- Olympus Optical Co., Ltd.
- Mitsuhiro Sato
- G02 - OPTICS
Information Patent Grant
Lens barrel with a cam mechanism comprised of plastic material
- Patent number 5,777,802
- Issue date Jul 7, 1998
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Imaging lens system
- Patent number 5,748,390
- Issue date May 5, 1998
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Camera including means for controlling camera settings as a functio...
- Patent number 5,721,975
- Issue date Feb 24, 1998
- Olympus Optical Co., Ltd.
- Tatsuya Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge loading chamber of camera
- Patent number 5,678,110
- Issue date Oct 14, 1997
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera
- Patent number 5,552,845
- Issue date Sep 3, 1996
- Olympus Optical Co., Ltd.
- Masaki Nagao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera
- Patent number 5,495,307
- Issue date Feb 27, 1996
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Patrone
- Patent number 5,369,457
- Issue date Nov 29, 1994
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CHANGEABLE LENS BARREL
- Publication number 20150331221
- Publication date Nov 19, 2015
- OLYMPUS CORPORATION
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
LENS BARREL AND CAMERA SYSTEM
- Publication number 20140009847
- Publication date Jan 9, 2014
- Olympus Imaging Corp.
- Mitsuru Toyama
- G02 - OPTICS
Information Patent Application
CAMERA SYSTEM AND LENS BARREL
- Publication number 20130163975
- Publication date Jun 27, 2013
- Olympus Imaging Corp.
- Mitsuru Toyama
- G02 - OPTICS
Information Patent Application
CAMERA SYSTEM
- Publication number 20130148007
- Publication date Jun 13, 2013
- Olympus Imaging Corp.
- Mitsuru Toyama
- G02 - OPTICS
Information Patent Application
LENS BARREL AND CAMERA SYSTEM
- Publication number 20120328276
- Publication date Dec 27, 2012
- Olympus Imaging Corp.
- Mitsuru Toyama
- G02 - OPTICS
Information Patent Application
Lens Barrel
- Publication number 20030147156
- Publication date Aug 7, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Lens barrel
- Publication number 20030002173
- Publication date Jan 2, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Lens barrel
- Publication number 20020171948
- Publication date Nov 21, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Optical apparatus including lens
- Publication number 20020167741
- Publication date Nov 14, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Lens barrel and method of assembling the same
- Publication number 20020141078
- Publication date Oct 3, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Lens barrel
- Publication number 20020005993
- Publication date Jan 17, 2002
- Olympus Optical, Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Lens barrel
- Publication number 20010026401
- Publication date Oct 4, 2001
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS

Tamotsu Koiwai

Person

Patents Grantslast 30 patents

Changeable lens barrel

Lens barrel and camera system

Lens barrel and camera system

Camera system and lens barrel

Camera system

Lens barrel having a flare diaphragm which can advance into and ret...

Lens barrel

Lens barrel

Optical apparatus including lens

Lens barrel and method of assembling the same

Lens barrel

Lens barrel having a plurality of lens frames which are relatively...

Lens holder provided with a lens holding frame which holds a lens h...

Support structure for positioning lens on retention frame

Lens barrel

Lens

Cam follower and lens barrel

Lens holding structure

Camera optical system having nonphotographic lens formed integrally...

Sealing device and sealing device of camera

Lens barrel

Lens barrel having a flare diaphragm which can advance into and ret...

Lens barrel

Lens barrel with a cam mechanism comprised of plastic material

Imaging lens system

Camera including means for controlling camera settings as a functio...

Cartridge loading chamber of camera

Camera

Camera

Patrone

Patents Applicationslast 30 patents

CHANGEABLE LENS BARREL

LENS BARREL AND CAMERA SYSTEM

CAMERA SYSTEM AND LENS BARREL

CAMERA SYSTEM

LENS BARREL AND CAMERA SYSTEM

Lens Barrel

Lens barrel

Lens barrel

Optical apparatus including lens

Lens barrel and method of assembling the same

Lens barrel

Lens barrel