Akiyasu Sumi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Motor
- Patent number 4,806,813
- Issue date Feb 21, 1989
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G02 - OPTICS
Information Patent Grant
Motor-built-in photographic lens
- Patent number 4,763,150
- Issue date Aug 9, 1988
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens driving device
- Patent number 4,660,933
- Issue date Apr 28, 1987
- Canon Kabushiki Kaisha
- Hidefumi Notagashira
- G02 - OPTICS
Information Patent Grant
Motor built-in lens mounting
- Patent number 4,605,286
- Issue date Aug 12, 1986
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G02 - OPTICS
Information Patent Grant
Photographic lens barrel assembly
- Patent number 4,596,454
- Issue date Jun 24, 1986
- Canon Kabushiki Kaisha
- Tohru Kawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Filter mounting mechanism for an optical assembly
- Patent number 4,536,057
- Issue date Aug 20, 1985
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G02 - OPTICS
Information Patent Grant
Diaphragm device
- Patent number 4,491,401
- Issue date Jan 1, 1985
- Canon Kabushiki Kaisha
- Hiroyoshi Inaba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cam device for a photographing lens barrel
- Patent number 4,465,344
- Issue date Aug 14, 1984
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G02 - OPTICS
Information Patent Grant
Automatic focusing system with interrupt function
- Patent number 4,459,001
- Issue date Jul 10, 1984
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G02 - OPTICS
Information Patent Grant
Lens assembly provided with an automatic focusing device
- Patent number 4,422,740
- Issue date Dec 27, 1983
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G02 - OPTICS
Information Patent Grant
Mechanical mounting system for a zoom lens assembly
- Patent number 4,386,829
- Issue date Jun 7, 1983
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G02 - OPTICS
Information Patent Grant
Method of making a lens barrel assembly
- Patent number 4,385,023
- Issue date May 24, 1983
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mounting mechanism for the interchangeable lens assembly of a camera
- Patent number 4,322,154
- Issue date Mar 30, 1982
- Canon Kabushiki Kaisha
- Shigeru Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Close-up copy photography apparatus
- Patent number 4,310,231
- Issue date Jan 12, 1982
- Canon Kabushiki Kaisha
- Yuichiro Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens assembly coupling device for camera system
- Patent number 4,247,190
- Issue date Jan 27, 1981
- Canon Kabushiki Kaisha
- Shigeru Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mounting for interchangeable camera lens assembly with diaphragm means
- Patent number 4,230,403
- Issue date Oct 28, 1980
- Canon Kabushiki Kaisha
- Shigeru Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure correction factor setting device for a camera
- Patent number 4,159,168
- Issue date Jun 26, 1979
- Canon Kabushiki Kaisha
- Akiyasu Sumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Akiyasu Sumi

Person

Patents Grantslast 30 patents

Motor

Motor-built-in photographic lens

Lens driving device

Motor built-in lens mounting

Photographic lens barrel assembly

Filter mounting mechanism for an optical assembly

Diaphragm device

Cam device for a photographing lens barrel

Automatic focusing system with interrupt function

Lens assembly provided with an automatic focusing device

Mechanical mounting system for a zoom lens assembly

Method of making a lens barrel assembly

Mounting mechanism for the interchangeable lens assembly of a camera

Close-up copy photography apparatus

Lens assembly coupling device for camera system

Mounting for interchangeable camera lens assembly with diaphragm means

Exposure correction factor setting device for a camera