-
-
-
Image forming apparatus
-
Patent number 5,077,574
-
Issue date Dec 31, 1991
-
Sharp Kabushiki Kaisha
-
Akira Tamagaki
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
Optical text reading apparatus
-
Patent number 4,933,722
-
Issue date Jun 12, 1990
-
Sharp Kabushiki Kaisha
-
Katsuyoshi Fujiwara
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
-
Projecting device
-
Patent number 4,626,082
-
Issue date Dec 2, 1986
-
Canon Kabushiki Kaisha
-
Noritaka Mochizuki
-
G02 - OPTICS
-
-
-
-
-
-
Phase locked loop motor control system
-
Patent number 4,443,742
-
Issue date Apr 17, 1984
-
Gestetner Manufacturing Limited
-
Siegfried Schneider
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
-
-
Projecting device
-
Patent number 4,426,132
-
Issue date Jan 17, 1984
-
Canon Kabushiki Kaisha
-
Atsuo Tsunoda
-
G02 - OPTICS
-
Photocopier scanning drive system
-
Patent number 4,426,149
-
Issue date Jan 17, 1984
-
Gestetner Manufacturing Limited
-
Klaus Kuemmel
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
Document scanning apparatus
-
Patent number 4,422,100
-
Issue date Dec 20, 1983
-
The Mead Corporation
-
Dale R. DuVall
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
Optical copying arrangement
-
Patent number 4,415,255
-
Issue date Nov 15, 1983
-
AGFA-Gevaert A.G.
-
Hans-Peter Huber
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
-
-
Electrostatic copying device
-
Patent number 4,403,849
-
Issue date Sep 13, 1983
-
AGFA-Gevaert A.G.
-
Erich Burger
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
Projection device
-
Patent number 4,402,572
-
Issue date Sep 6, 1983
-
Canon Kabushiki Kaisha
-
Atsuo Tsunoda
-
G02 - OPTICS
-
-
Copying apparatus
-
Patent number 4,395,118
-
Issue date Jul 26, 1983
-
Canon Kabushiki Kaisha
-
Shigehiro Komori
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
Copying optical system
-
Patent number 4,387,979
-
Issue date Jun 14, 1983
-
Asahi Kogaku Kogyo Kabushiki Kaisha
-
Michiro Ohishi
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
-
-
-
-