US Patent 7256812 Laser exposing apparatus
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Patent Inventor Names
Hajime Motoyama0
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Patent abstract
A laser exposing apparatus has a first laser source emitting a first laser beam, a second laser source emitting a second laser beam shorter in wavelength than the first laser beam, and an optical device for directing the first laser beam and the second laser beam to a photosensitive member. The second laser beam has a longer optical path length to the photosensitive member than the first laser beam.
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US Patent 07256812 Laser exposing apparatus US Patent 7256812 Laser exposing apparatus
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Patent Number
07256812
Patent Number
7256812
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Official Website
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US Patent 07256812 Laser exposing apparatus
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Is a
Patent jurisdiction
Patent number
07256812
Date of patent
August 14, 2007
Patent application number
11391429
Date Filed
March 29, 2006
Patent primary examiner
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