Inventor
Kiyono Ikenaka
Inventor
Hino, JP
Overview
Patents· 31 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 transducer70%
G02BOptical elements, systems or apparatus27%
E03CDomestic plumbing installations for fresh water or waste water2%
PatentTitleYear
7,969,854'Optical pickup device and objective lens used in the same'20117,957,231'Optical pickup apparatus and objective optical element'20117,903,528'Optical pick-up apparatus'20117,889,618'Objective optical element and optical pickup apparatus'20117,855,945'Optical pickup apparatus and optical element'20107,821,904'Optical pickup apparatus and objective optical element'20107,724,634'Optical pickup apparatus with temperature compensation'20107,710,848'Optical pickup apparatus'20107,710,847'Optical pickup apparatus'20107,706,237'Objective lens and optical pickup apparatus'20107,697,392'Optical pickup apparatus and optical information recording and/or reproducing apparatus'20107,668,066'Optical pickup apparatus'20107,636,291'Optical pickup apparatus'20097,577,077'Optical pickup apparatus and optical element'20097,525,879'Objective optical element and optical pickup apparatus'20097,508,745'Optical element having a refractive function and an optical path difference providing function'20097,498,550'Optical pickup apparatus which records and/or reproduces information using different types of optical information recording mediums'20097,463,568'Objective optical element and optical pickup apparatus'20087,426,170'Objective lens and optical pickup apparatus for reproducing and/or recording information for at least two types of optical discs'20087,369,480'Optical pickup device and optical element'20087,330,406'Optical pickup device and optical element used for the same'20087,304,935'Optical pickup device and correcting element used in the optical pickup device'20077,289,415'Optical pick-up apparatus and divergent angle-converting element'20077,269,119'Optical pick-up apparatus'20077,206,274'Converging optical system of optical pickup device'20077,200,079'Optical pickup device and optical element used for the same'20077,193,954'Optical pickup device and objective lens for the optical pickup device'20077,190,658'Optical element having a plurality of ring-shaped zones'20077,050,236'Diffractive optical element and optical pickup apparatus'20066,856,471'Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatus'20056,728,172'Objective lens and optical pickup apparatus'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2005Patents assigned to KONISHIROKU PHOTO IND (2)· patent assignee history
2004–2011Based in Hachioji, JP· patent location history
2005–2011Based in Hino, JP· patent location history
2006–2011Patents assigned to KONICA MINOLTA OPTO INC (19)· patent assignee history
2007–2011Patents assigned to KONICA CORP (7)· patent assignee history
2007–2008Patents assigned to KONICA MINOLTA HOLDINGS INC (2)· patent assignee history
2007Patents assigned to KONICA MINOLTA HOLDING INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONICA MINOLTA OPTO INC | 19 | 2006–2011 |
| KONICA CORP | 7 | 2007–2011 |
| KONICA MINOLTA HOLDINGS INC | 2 | 2007–2008 |
| KONISHIROKU PHOTO IND | 2 | 2004–2005 |
| KONICA MINOLTA HOLDING INC | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hino, JP | 26 | 2005–2011 |
| Hachioji, JP | 5 | 2004–2011 |