Inventor
Satoshi Kawakita
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus22%
G11BInformation storage based on relative movement between record carrier and transducer22%
B29CShaping or joining of plastics11%
B29DProducing particular articles from plastics or from substances in a plastic state11%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts11%
C03BManufacture, shaping, or supplementary processes11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
7,715,300'Diffraction element, objective lens unit, optical pickup and optical disc apparatus'20107,463,430'Diffraction element, objective lens unit, optical pickup, optical disc apparatus and design method for diffraction element'20086,783,707'Lens, manufacturing method thereof, and optical pickup'20046,215,591'Lens manufacturing method thereof, and optical pickup'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2010Patents assigned to SONY CORP (4)· patent assignee history
2001–2010Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 4 | 2001–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2001–2010 |