Tokyo
Japan
29
2012-03-29
The entities that hold a legal rights for patent applications filed by inventor MARUYAMA Koichi:
Koichi MARUYAMA from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Optical element and objective lens through which a plurality of light beams having different design wavelengths pass
#2 | 2012-03-29IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS
#3 | 2012-03-29Imaging optical system and imaging apparatus
#4 | 2008-12-23Optical pickup, optical element, and information reproducing apparatus configured for use with any of plural types of recording media
#5 | 2008-11-13Assembling method for optical system of optical pick-up
#6 | 2008-07-10Objective lens
#7 | 2008-03-04Optical system of optical pick-up
#8 | 2007-11-29Optical information recording/reproducing device, optical element for the same, and design method of the same
#9 | 2007-05-29Objective lens for optical pickup
#10 | 2007-03-29Optical disc drive and objective lens for the same
#11 | 2007-01-18Optical disc drive and objective lens for the same
#12 | 2007-01-02Optical system for optical head
#13 | 2006-12-14Objective lens and optical information read/write device
#14 | 2006-09-12Objective lens for optical pick-up
#15 | 2006-08-17Objective lens and optical system for optical pick-up
#16 | 2006-06-01Design method of optical element and optical element through which a plurality of light beams having different design wavelengths pass
#17 | 2006-05-30High NA objective lens for optical pick-up
#18 | 2006-01-03Objective lens for optical pick-up
#19 | 2005-12-22Objective lens for optical pick-up
#20 | 2005-07-21Optical pick-up and objective lens for use with different types of optical discs
#21 | 2005-07-14Objective lens for optical disc
#22 | 2005-05-31Optical system of optical pick-up
#23 | 2005-05-24Optical system for optical pickup employing coma compensating element
#24 | 2005-04-14Objective lens for optical pick-up
#25 | 2005-04-07Objective lens
#26 | 2005-03-29Objective lens for optical pick-up
#27 | 2005-03-17Objective lens
#28 | 2005-02-24Objective lens
#29 | 2005-01-06Objective lens for optical pick-up
3130615 ⎘