Susumu Iguchi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Range finder
- Patent number 5,631,458
- Issue date May 20, 1997
- Ricoh Company, Ltd.
- Toshiaki Nakahira
- G02 - OPTICS
Information Patent Grant
Flash control based on calculated required flash energy
- Patent number 5,148,212
- Issue date Sep 15, 1992
- Ricoh Company, Ltd.
- Yoshio Serikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film feeding system of a camera
- Patent number RE33436
- Issue date Nov 13, 1990
- Ricoh Company, Ltd.
- Kunihiko Araki
- 354 -
Information Patent Grant
Auto-focus arithmetic device
- Patent number 4,831,405
- Issue date May 16, 1989
- Ricoh Company, Ltd.
- Daisuke Hata
- G02 - OPTICS
Information Patent Grant
Apparatus for controlling a motor in a camera
- Patent number 4,818,921
- Issue date Apr 4, 1989
- Ricoh Company, Ltd.
- Daisuke Hata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film feeding system of a camera
- Patent number RE32850
- Issue date Jan 31, 1989
- Ricoh Company, Ltd.
- Kunihiko Araki
- 354 -
Information Patent Grant
Automatic focusing control system
- Patent number 4,777,505
- Issue date Oct 11, 1988
- Ricoh Company, Ltd.
- Daisuke Hata
- G02 - OPTICS
Information Patent Grant
Focus detecting device and image signal amplifier circuit therefor
- Patent number 4,763,154
- Issue date Aug 9, 1988
- Ricoh Company, Ltd.
- Susumu Iguchi
- G02 - OPTICS
Information Patent Grant
Battery check circuit of electronic strobe flash unit of camera
- Patent number 4,751,545
- Issue date Jun 14, 1988
- Ricoh Company, Ltd.
- Susumu Iguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge-coupled device for automatic focusing and camera shake detec...
- Patent number 4,733,264
- Issue date Mar 22, 1988
- Ricoh Company, Ltd.
- Takayuki Hatase
- G02 - OPTICS
Information Patent Grant
Focus condition indicating device of an auto-focus system
- Patent number 4,593,988
- Issue date Jun 10, 1986
- Ricoh Company, Ltd.
- Hideaki Akiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film feeding system of a camera
- Patent number 4,460,256
- Issue date Jul 17, 1984
- Ricoh Company, Ltd.
- Kunihiko Araki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Susumu Iguchi

Person

Patents Grantslast 30 patents

Range finder

Flash control based on calculated required flash energy

Film feeding system of a camera

Auto-focus arithmetic device

Apparatus for controlling a motor in a camera

Film feeding system of a camera

Automatic focusing control system

Focus detecting device and image signal amplifier circuit therefor

Battery check circuit of electronic strobe flash unit of camera

Charge-coupled device for automatic focusing and camera shake detec...

Focus condition indicating device of an auto-focus system

Film feeding system of a camera