Inventor

Seiichi Wakamatsu

Inventor

Hachiouji, JP

Overview

1989–2003

Patent span

Physics

Primary field (CPC G)

Patents· 11 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 transducer21%

G06KGraphical data reading16%

H04NPictorial communication, e.g. television16%

G06FElectric digital data processing13%

G09BEducational or demonstration appliances13%

G01DMeasuring not specially adapted for a specific variable5%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

A61BDiagnosis3%

G10HElectrophonic musical instruments3%

G10KSound-producing devices3%

PatentTitleYear

6,622,276'Recording medium, information reproducing apparatus and information reproducing method'2003 6,460,155'Information reproducing system capable of manually reading an optically readable code and repeatedly reproducing voice information included in the code'2002 6,058,498'Dot code and information recording/reproducing system for recording/reproducing the same'2000 6,052,813'Dot code including a plurality of blocks wherein each of the blocks has a block address pattern representing an address of each of the blocks'2000 RE036589'Audio data recording system for recording voice data as an optically readable code on a recording medium for recording still image data photographed by a camera'2000 5,905,250'Audio information recording/reproducing system'1999 5,896,403'Dot code and information recording/reproducing system for recording/reproducing the same'1999 5,644,557'Audio data recording system for recording voice data as an optically readable code on a recording medium for recording still image data photographed by a camera'1997 5,282,049'Moving-picture data digital recording and reproducing apparatuses'1994 5,168,274'Position detector device'1992 4,880,011'Ultrasonic endoscope apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Patents assigned to OLYMPUS OPTICAL CO (11)· patent assignee history

1989–1999Based in Hachioji, JP· patent location history

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

1999–2003Based in Hachiouji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OLYMPUS OPTICAL CO	11	1989–2003

Locations

Location	Patents	Span
Hachiouji, JP	5	1999–2003
Tokyo, JP	3	1992–2000
Hachioji, JP	3	1989–1999