Yoshio Fukushima

Person

Tokyo, JP

People

Patents Grantslast 30 patents

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
Film feeding system of a camera
- Patent number RE32850
- Issue date Jan 31, 1989
- Ricoh Company, Ltd.
- Kunihiko Araki
- 354 -
Information Patent Grant
Zoom lens with a mechanism for moving a first lens so as to be comp...
- Patent number 4,779,964
- Issue date Oct 25, 1988
- Ricoh Company, Ltd.
- Toshiro Ozawa
- G02 - OPTICS
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
Information Patent Grant
Current signal controlled camera system
- Patent number 4,443,082
- Issue date Apr 17, 1984
- Ricoh Company, Ltd.
- Tamio Murano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focusing-position-detection circuit
- Patent number 4,432,622
- Issue date Feb 21, 1984
- Ricoh Company, Ltd.
- Ikue Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hologram lens
- Patent number 4,355,858
- Issue date Oct 26, 1982
- Ricoh Company, Ltd.
- Hiroyoshi Funato
- G02 - OPTICS
Information Patent Grant
Focusing position detection apparatus
- Patent number 4,277,156
- Issue date Jul 7, 1981
- Ricoh Company, Ltd.
- Yoshio Fukushima
- G02 - OPTICS
Information Patent Grant
Light source for multiple image projection device
- Patent number 4,124,882
- Issue date Nov 7, 1978
- Ricoh Company, Ltd.
- Atsushi Kawamura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Yoshio Fukushima

Person

Patents Grantslast 30 patents

Film feeding system of a camera

Film feeding system of a camera

Zoom lens with a mechanism for moving a first lens so as to be comp...

Film feeding system of a camera

Current signal controlled camera system

Focusing-position-detection circuit

Hologram lens

Focusing position detection apparatus

Light source for multiple image projection device