Inventor · disambiguated record
Tatsuyuki Tokunaga
Also filed as: TOKUNAGA TATSUYUKI
38 granted patents·519 citations·filing 1989–2019
98Inventor score
Files withCANON KK38
Top patents by PatentIndex Score
38 records- 0198US5111231ACamera systemCANON KK·Filed 1990·Granted May 5, 1992·106 cites·17 claims
- 0297US9453984B2Image pickup apparatus and lens unitCANON KK·Filed 2015·Granted Sep 27, 2016·13 cites·9 claims
- 0396US9638987B2Camera and camera accessoryCANON KK·Filed 2013·Granted May 2, 2017·16 cites·6 claims
- 0495US9684229B2Camera accessory and cameraCANON KK·Filed 2013·Granted Jun 20, 2017·16 cites·39 claims
- 0591US9151929B2Image pickup apparatus and lens unitCANON KK·Filed 2013·Granted Oct 6, 2015·8 cites·22 claims
- 0690US6349175B1Flash photography systemCANON KK·Filed 1998·Granted Feb 19, 2002·33 cites·8 claims
- 0788US6067422AFlash photography systemCANON KK·Filed 1996·Granted May 23, 2000·27 cites·24 claims
- 0888US4969005ABacklighting detecting deviceCANON KK·Filed 1989·Granted Nov 6, 1990·26 cites·11 claims
- 0987US9729769B2Camera and camera accessoryCANON KK·Filed 2013·Granted Aug 8, 2017·5 cites·12 claims
- 1086US7254321B2Image capturing apparatus, image capturing method, and computer programCANON KK·Filed 2005·Granted Aug 7, 2007·10 cites·19 claims
- 1183US10244152B2Camera and camera accessoryCANON KK·Filed 2017·Granted Mar 26, 2019·2 cites·12 claims
- 1282US5671447ALine-of-sight detecting device and apparatus including the sameCANON KK·Filed 1995·Granted Sep 23, 1997·20 cites·38 claims
- 1380US5140358ACameraCANON KK·Filed 1989·Granted Aug 18, 1992·14 cites·13 claims
- 1479US9164256B2Image pickup apparatus and lens unitCANON KK·Filed 2015·Granted Oct 20, 2015·2 cites·20 claims
- 1576US7545427B2Image sensing apparatus and control method thereofCANON KK·Filed 2003·Granted Jun 9, 2009·10 cites·5 claims
- 1676US6075947ACamera system and flash photography systemCANON KK·Filed 1999·Granted Jun 13, 2000·13 cites·20 claims
- 1776US5151583AFocus adjustment device having restricting means for restricting a selecting action according to the degree of nearness of a distance measurementCANON KK·Filed 1991·Granted Sep 29, 1992·41 cites·99 claims
- 1872US5298923AInk jet misdischarge recovery by simultaneously driving an ink jet head and exhausting ink therefromCANON KK·Filed 1991·Granted Mar 29, 1994·28 cites·29 claims
- 1972US5204695AInk jet recording apparatus utilizing means for supplying a plurality of signals to an electromechanical conversion elementCANON KK·Filed 1991·Granted Apr 20, 1993·30 cites·3 claims
- 2070US5719388AApparatus for processing an output signal from an area sensor having a plurality of photoelectric conversion elementsCANON KK·Filed 1996·Granted Feb 17, 1998·10 cites·35 claims
- 2169US11169431B2Camera and camera accessoryCANON KK·Filed 2019·Granted Nov 9, 2021·0 cites·15 claims
- 2269USRE44030EImage sensing apparatus and control method thereofCANON KK·Filed 2011·Granted Feb 26, 2013·1 cites·10 claims
- 2365US7684691B2Image capture apparatus and control method thereofCANON KK·Filed 2006·Granted Mar 23, 2010·2 cites·7 claims
- 2464US7102675B1Photoelectric conversion device, focus detection device, method of controlling these devices, and storage mediumCANON KK·Filed 1998·Granted Sep 5, 2006·28 cites·13 claims
- 2562US10721381B2Apparatus having rotatable claw for mounting to an accessory and accessory having rotatable claw for mounting to an apparatusCANON KK·Filed 2019·Granted Jul 21, 2020·0 cites·21 claims
- 2662US5706071ALine of sight detection apparatus and an equipment having the line of sight detection apparatusCANON KK·Filed 1995·Granted Jan 6, 1998·7 cites·37 claims
- 2762US5594476ADriving method of ink jet head and ink jet apparatusCANON KK·Filed 1995·Granted Jan 14, 1997·20 cites·6 claims
- 2861US10921691B2Camera accessory and cameraCANON KK·Filed 2018·Granted Feb 16, 2021·0 cites·40 claims
- 2959US10527912B2Camera and camera accessoryCANON KK·Filed 2016·Granted Jan 7, 2020·0 cites·24 claims
- 3058US10545393B2Camera accessory and cameraCANON KK·Filed 2013·Granted Jan 28, 2020·0 cites·11 claims
- 3158USRE44857EImage sensing apparatus and control method thereofCANON KK·Filed 2013·Granted Apr 22, 2014·0 cites·10 claims
- 3257US7868544B2Display apparatusCANON KK·Filed 2009·Granted Jan 11, 2011·0 cites·8 claims
- 3356US6363221B1Flash photography system with preliminary and main emissionCANON KK·Filed 2000·Granted Mar 26, 2002·3 cites·5 claims
- 3456US5155519ACamera having a synchronized-shutter-time control device for flash photographyCANON KK·Filed 1991·Granted Oct 13, 1992·7 cites·8 claims
- 3552US7541739B2Display apparatusCANON KK·Filed 2006·Granted Jun 2, 2009·0 cites·10 claims
- 3650US5331366ACameraCANON KK·Filed 1992·Granted Jul 19, 1994·12 cites·10 claims
- 3741US5717959AApparatus for detecting a sight axisCANON KK·Filed 1997·Granted Feb 10, 1998·8 cites·14 claims
- 3833US5311243AFlash photographing systemCANON KK·Filed 1992·Granted May 10, 1994·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →