Inventor

Takashi Katoku

Inventor

Tokyo, JP

Overview

1987–2008

Patent span

Physics

Primary field (CPC G)

Patents· 17 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%

G06KGraphical data reading17%

H05KPrinted circuits17%

B41JTypewriters10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%

PatentTitleYear

7,382,324'Recording/playback apparatus with electric wave transmission'2008 7,324,053'Recording/playback apparatus with electric wave transmission'2008 7,148,853'Recording/playback apparatus'2006 6,950,067'Recording/playback apparatus with electric wave transmission'2005 6,496,314'Recording/playback apparatus with electric wave transmission'2002 6,456,462'Tape cassette and recording/reproducing apparatus'2002 6,441,993'Cassette Holder'2002 6,357,858'Printing device'2002 6,305,782'Printing device'2001 6,074,039'Printing device'2000 5,966,260'Magnetic tape recording and reproducing apparatus having four heads and two azimuth angles'1999 5,790,349'Rotary head device'1998 5,638,232'Recording and/or reproducing apparatus for tape-shaped recording medium'1997 5,289,324'Cassette holder with means for opening and closing the closure member of a cassette'1994 5,159,507'Tape recording and/or reproducing apparatus with a single motor for driving its rotary heads, capstan and reel bases'1992 4,858,848'Magnetic tape cassette'1989 4,654,740'Magnetic tape cassette with tape reel assembly having floating reel hub'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2008Patents assigned to SONY CORP (17)· patent assignee history

1987–2008Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	17	1987–2008

Locations

Location	Patents	Span
Tokyo, JP	17	1987–2008