Inventor

Akihiro Uetake

Inventor

Tokyo, JP

Overview

23→

Patents

1991–2003

Patent span

Physics

Primary field (CPC G)

Patents· 23 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 transducer58%

H04NPictorial communication, e.g. television19%

H05KPrinted circuits11%

H04LTransmission of digital information, e.g. telegraphic communication6%

H04BTransmission3%

H04HBroadcast communication3%

PatentTitleYear

6,631,242'Apparatus for recording and reproducing digital picture data'2003 6,560,221'Communication path control device, communication path control method, and communication path control unit'2003 6,477,179'Data receiving device and data receiving method'2002 6,081,403'Tape guide members for a tape travel system for a tape loading mechanism in a recording and reproducing apparatus'2000 5,992,781'Indirect drive mechanism for recording and reproducing apparatus capable of accomodating different size cassettes'1999 5,847,898'Recording and reproducing apparatus and method of dubbing record medium cassette'1998 RE035950'Recording medium cassette and a recording/reproducing apparatus'1998 5,833,158'Recording and/or reproducing apparatus having means for selectively loading large or small tape cassette'1998 5,822,149'Positioning guide mechanism and erroneous insertion detecting and discharging mechanism for a recording and producing apparatus'1998 5,642,245'Tape cassette information detecting mechanism and reel lock releasing mechanism for recording and reproducing apparatus'1997 5,631,784'Recording and reproducing apparatus and method of dubbing for record medium cassette'1997 5,605,300'Tape tension regulating system for a tape cassette recording and/or reproducing apparatus accomodating cassettes of different sizes'1997 5,502,608'Tape cassette'1996 5,453,892'Rotary magnetic head drum with fluid bearing and with head chips mounted together in parallel'1995 5,438,468'Rotary head drum having reduced exterior dimensions'1995 5,416,651'Apparatus for magnetically recording digital data'1995 5,412,525'Tape cassette having a rockable finger for latching a slidable shutter'1995 5,390,870'Recording medium cassette and a recording/reproducing apparatus'1995 5,386,334'Tape cassette reel locking mechanism'1995 5,384,666'Digital picture signal recording apparatus in which a field interval is recorded in a plurality of tracks exhibiting a track pitch no greater than 5.5 .mu.m by a rotary drum having a diameter no greater than 25 mm and a rotary speed no less than 150 rps'1995 5,322,237'Lid assembly for a tape cassette which protects front and rear surfaces of a magnetic tape'1994 5,316,236'Tape supplying and taking up apparatus and tape cassettes for use therewith'1994 5,072,316'Recording apparatus'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2003Patents assigned to SONY CORP (23)· patent assignee history

1991–2003Based in Tokyo, JP· patent location history

1997–2003Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	23	1991–2003

Locations

Location	Patents	Span
Tokyo, JP	16	1991–2003
Kanagawa, JP	7	1997–2003