Inventor · disambiguated record
Tatsuo Chigira
Also filed as: CHIGIRA TATSUO
25 granted patents·929 citations·filing 1987–2003
97Inventor score
Files withCANON KK25
Top patents by PatentIndex Score
25 records- 0194US5150260AOptical apparatusCANON KK·Filed 1991·Granted Sep 22, 1992·139 cites·16 claims
- 0291US5418588AAperture size adjustment device for a camera with a stepping motor drive sourceCANON KK·Filed 1994·Granted May 23, 1995·39 cites·16 claims
- 0390US6388640B1Head mount displayCANON KK·Filed 1998·Granted May 14, 2002·104 cites·41 claims
- 0490US6218767B1Vibration deviceCANON KK·Filed 1996·Granted Apr 17, 2001·69 cites·21 claims
- 0586US5689746AAmount-of-light adjusting deviceCANON KK·Filed 1994·Granted Nov 18, 1997·58 cites·27 claims
- 0685US6338199B1SensorCANON KK·Filed 1998·Granted Jan 15, 2002·58 cites·50 claims
- 0780US6490095B2Image display apparatusCANON KK·Filed 2001·Granted Dec 3, 2002·22 cites·21 claims
- 0880US5932984ADriving apparatus and optical apparatusCANON KK·Filed 1996·Granted Aug 3, 1999·67 cites·29 claims
- 0979US6914583B1Head-mounted displayed apparatusCANON KK·Filed 2000·Granted Jul 5, 2005·21 cites·8 claims
- 1078US5831671AImage blur prevention apparatus utilizing a stepping motorCANON KK·Filed 1995·Granted Nov 3, 1998·50 cites·7 claims
- 1175US5298933AImage pickup apparatusCANON KK·Filed 1992·Granted Mar 29, 1994·38 cites·19 claims
- 1273US6970723B2Mobile-type electronic apparatus and method for controlling the sameCANON KK·Filed 2001·Granted Nov 29, 2005·11 cites·8 claims
- 1373US4806813AMotorCANON KK·Filed 1987·Granted Feb 21, 1989·37 cites·3 claims
- 1472US5053798AAutomatic focusing deviceCANON KK·Filed 1989·Granted Oct 1, 1991·30 cites·10 claims
- 1570US5900995ADriving device and optical apparatusCANON KK·Filed 1995·Granted May 4, 1999·34 cites·41 claims
- 1668US4912494ACamera systemCANON KK·Filed 1989·Granted Mar 27, 1990·25 cites·40 claims
- 1767US6169578B1Video camera apparatusCANON KK·Filed 1995·Granted Jan 2, 2001·31 cites·19 claims
- 1866US5264966ALens barrelCANON KK·Filed 1991·Granted Nov 23, 1993·27 cites·37 claims
- 1965US7156520B2Color separating optical system, image display optical system, and projection image display apparatusCANON KK·Filed 2002·Granted Jan 2, 2007·6 cites·33 claims
- 2063US4958099ABrushless motorCANON KK·Filed 1988·Granted Sep 18, 1990·25 cites·7 claims
- 2158US7002641B2Projection display apparatus with quarter phase difference plate and phase compensation elementCANON KK·Filed 2003·Granted Feb 21, 2006·6 cites·9 claims
- 2258US5206677AOptical apparatusCANON KK·Filed 1990·Granted Apr 27, 1993·20 cites·33 claims
- 2346US6992833B2Color combining optical system, projection-type display optical system, projection-type image display apparatus, and image display systemCANON KK·Filed 2003·Granted Jan 31, 2006·1 cites·34 claims
- 2441US5705864AStepping motorCANON KK·Filed 1994·Granted Jan 6, 1998·9 cites·12 claims
- 2532US6515638B2Image display apparatusCANON KK·Filed 1999·Granted Feb 4, 2003·2 cites·53 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →