Inventor

Emiko Hamada

Inventor

Tokyo, JP

Overview

1990–2007

Patent span

Physics

Primary field (CPC G)

Patents· 28 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 transducer47%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%

Y10TTechnical subjects covered by former us classification19%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

B41MPrinting, duplicating, marking, or copying processes2%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%

PatentTitleYear

7,194,751'Optical information medium'2007 6,728,198'Optical information medium and recording method therefor'2004 6,721,265'High-density optical information recording medium and a substrate and a stamper for the manufacture thereof'2004 6,711,118'Optical information recording medium for recording optically reproducible signals thereon through the use of a recording laser beam and method for recording optical information thereon'2004 6,507,547'Medium and method for recording optical information'2003 6,504,815'Optical information medium, stamper for manufacturing transparent substrate therefor and recording method therefor'2003 6,493,312'Optical information medium'2002 6,452,899'Optical information medium and recording method therefor'2002 6,445,676'Optical information medium'2002 6,346,364'Optical information recording medium and recording method'2002 6,291,045'Optical information recording medium'2001 6,287,662'Optical data recording medium'2001 6,168,844'Optical information recording medium'2001 6,156,482'Optical information recording medium and recording method'2000 5,976,658'Optical information recording medium'1999 5,895,697'Optical information medium'1999 5,498,509'Method of making an optical information recording substrate'1996 5,407,719'Optical information recording medium and recording method'1995 5,398,231'Optical information recording substrate and method of making thereof'1995 5,318,882'Optical recording medium containing a light stabilizer comprised of aryl nitrogen compound'1994 5,213,955'Optical information recording medium and recording method'1993 5,155,723'Optical information recording method and medium'1992 5,090,009'Optical information recording medium'1992 5,080,946'Optical information recording medium and recording method'1992 5,009,818'Method of manufacturing an optical information recorded disc'1991 4,990,388'Optical information recording medium'1991 4,940,618'Optical information recording medium'1990 4,920,359'Optical information recording medium having protective layer'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2007Patents assigned to TAIYO YUDEN KK (27)· patent assignee history

1990–2007Based in Tokyo, JP· patent location history

1999Patents assigned to TAIYOYUDEN CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAIYO YUDEN KK	27	1990–2007
TAIYOYUDEN CO LTD	1	1999

Locations

Location	Patents	Span
Tokyo, JP	28	1990–2007