LexDanaLexDanabeta
Inventor

Ko Ishii

Inventor
Tokorozawa, JP

Overview

15→
Patents
1977–2013
Patent span
Physics
Primary field (CPC G)

Patents· 15 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 transducer46%
C08LCompositions of macromolecular compounds13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C09JAdhesives8%
Y10TTechnical subjects covered by former us classification8%
B23FMaking gears or toothed racks4%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%
B29CShaping or joining of plastics4%
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. inserts4%
PatentTitleYear
8,463,575'Gear meshing angle detection method and device'20137,764,586'Aberration correcting apparatus, optical pickup, and aberration correcting method'20107,680,007'Optical state recognizer, information processor, and optical state recognizing method'20107,170,831'Optical pickup astigmatism measuring method, optical pickup astigmatism adjusting method, and optical pickup astigmatism measuring system'20077,064,308'Method of and apparatus for adjusting the focus position of an optical pickup'20066,980,496'Information recording/reproducing apparatus'20056,912,234'Optical pickup apparatus and laser diode chip'20056,798,727'Optical pickup apparatus'20046,781,947'Optical pickup apparatus'20046,480,456'Optical pickup apparatus for reading different types of recording media at different reading wavelengths'20026,452,880'Optical pickup apparatus'20026,429,981'Optical pickup apparatus'20024,089,726'Adhesive comprising post-chlorinated polyethylene and polyvinyl chloride'19784,037,020'Adhesive comprising post-chlorinated polyethylene and polyvinyl chloride'19774,029,850'Adhesive comprising post-chlorinated polyethylene and polyvinyl chloride'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to SUMITOMO BAKELITE CO (3)· patent assignee history
1977–1978Based in Takatsuki, JP· patent location history
2002–2010Patents assigned to PIONEER CORP (11)· patent assignee history
2002–2010Based in Tokorozawa, JP· patent location history
2004–2010Based in Saitama, JP· patent location history
2013Patents assigned to ISHII KO (1)· patent assignee history
2013Patents assigned to KIKUCHI TOSHIMASA (1)· patent assignee history
2013Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history
2013Based in Ritto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER CORP112002–2010
SUMITOMO BAKELITE CO31977–1978
ISHII KOself12013
KIKUCHI TOSHIMASA12013
MITSUBISHI HEAVY IND LTD12013
Locations
LocationPatentsSpan
Tokorozawa, JP62002–2010
Saitama, JP52004–2010
Takatsuki, JP31977–1978
Ritto, JP12013