Inventor

Akira Matsueda

Inventor

Hachioji, JP

Overview

20→

Patents

1987–2004

Patent span

Physics

Primary field (CPC G)

Patents· 20 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 transducer33%

G06KGraphical data reading18%

G06FElectric digital data processing12%

G09BEducational or demonstration appliances6%

H04NPictorial communication, e.g. television6%

A61KPreparations for medical, dental or toiletry purposes3%

A61QSpecific use of cosmetics or similar toiletry preparations3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties3%

PatentTitleYear

6,695,212'Printed material with railway route chart printed thereon, information presenting method, information presentation system, information resource, and ticket issuing method'2004 6,354,499'Code Image reading apparatus'2002 6,037,915'Optical reproducing system for multimedia information'2000 6,023,539'Code reading apparatus having optimal battery voltage detection function'2000 5,886,335'Manual scanning apparatus for reading an optical code representing multimedia information'1999 5,767,494'Information reproduction system for reproducing multimedia information recorded with optically readable code'1998 5,559,775'Clock detection device of information recording/reproducing apparatus and clock detection device of information recording apparatus'1996 5,520,917'Materials in the form of colored spherical fine particles'1996 5,420,849'Apparatus for reproducing data from optical data recording medium'1995 5,352,881'Focus control device in optical recording and reproducing apparatus having an optical-beam-position judging device'1994 5,329,508'Regenerating device for optical recording medium in which overlapping regions are read out by a light beam in a time sharing manner to provide servo control of the positional relationship between the light beam and the medium'1994 5,303,222'Optical record reproducing apparatus including automatic light amount control'1994 5,181,196'Erase mark detecting circuit for detecting an erase mark superimposed on data recorded on a sector of an optical recording medium'1993 5,164,933'Reading signal processing circuit in optical information reproducing apparatus'1992 5,105,417'Apparatus for reproducing information out of optical record medium'1992 5,091,635'Optical record medium including a data region, an identification region and a control data region, and a method of recording signals on the optical record medium'1992 5,047,754'Display apparatus for displaying a position indicating mark over a plurality of display screens'1991 4,803,475'Image display apparatus'1989 4,802,018'Electronic marking apparatus for identifying a selected image from a plurality of electronically stored images'1989 4,672,683'Image retrieval and registration system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2004Patents assigned to OLYMPUS OPTICAL CO (19)· patent assignee history

1987–2004Based in Hachioji, JP· patent location history

1989–1995Based in Tokyo, JP· patent location history

1992–2000Based in Tachikawa, JP· patent location history

1996Patents assigned to KOSE CORP (1)· patent assignee history

1996Patents assigned to SUZUKI YUSHI KOGYO KK (1)· patent assignee history

1996Based in Kawaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OLYMPUS OPTICAL CO	19	1987–2004
KOSE CORP	1	1996
SUZUKI YUSHI KOGYO KK	1	1996

Locations

Location	Patents	Span
Hachioji, JP	9	1987–2004
Tachikawa, JP	7	1992–2000
Tokyo, JP	3	1989–1995
Kawaguchi, JP	1	1996