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Inventor

Katsuya Sakamoto

Inventor
Hachioji, JP

Overview

21→
Patents
2003–2012
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer61%
G02BOptical elements, systems or apparatus30%
D07BRopes or cables in general3%
H01BCables3%
Y02ATechnologies for adaptation to climate change3%
PatentTitleYear
8,240,119'High-strength cable'20127,872,959'Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith'20117,697,392'Optical pickup apparatus and optical information recording and/or reproducing apparatus'20107,671,312'Optical pickup system, optical system, and optical information recording medium'20107,656,774'Objective lens, optical head, and optical pickup apparatus'20107,639,589'Optical pickup apparatus for recording or reproducing information for an optical information recording medium and objective lens for optical pickup apparatus'20097,558,180'Light source apparatus provided with beam shaping element and optical pick-up apparatus having the same'20097,483,358'Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith'20097,463,568'Objective optical element and optical pickup apparatus'20087,382,709'Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith'20087,333,416'Optical pickup apparatus for recording or reproducing information for an optical information recording medium and objective lens for optical pickup apparatus'20087,206,276'Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith'20077,187,641'Objective lens and optical pick-up apparatus'20077,158,467'Optical pick-up apparatus and objective lens for the optical pick-up apparatus'20077,126,902'Objective lens, optical pickup device and method for producing optical element for optical pickup device'20067,102,980'Optical pickup apparatus and objective lens'20067,075,880'Optical pick-up device and objective lens used therein'20066,856,471'Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatus'20056,807,139'Objective lens and optical pickup apparatus'20046,710,939'Objective lens for optical pick-up device and optical pick-up device'20046,636,365'Optical pickup apparatus and objective lens'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2005Patents assigned to KONISHIROKU PHOTO IND (4)· patent assignee history
2003–2011Based in Hachioji, JP· patent location history
2004–2012Based in Tokyo, JP· patent location history
2006–2011Patents assigned to KONICA CORP (10)· patent assignee history
2007–2008Patents assigned to KONICA MINOLTA HOLDINGS INC (2)· patent assignee history
2009–2010Patents assigned to KONICA MINOLTA OPTO INC (4)· patent assignee history
2009–2010Based in Saitama, JP· patent location history
2012Patents assigned to FUJIMORI TATSUSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA CORP102006–2011
KONICA MINOLTA OPTO INC42009–2010
KONISHIROKU PHOTO IND42003–2005
KONICA MINOLTA HOLDINGS INC22007–2008
FUJIMORI TATSUSHI12012
Locations
LocationPatentsSpan
Hachioji, JP142003–2011
Saitama, JP42009–2010
Tokyo, JP32004–2012