Inventor · disambiguated record
Tadahisa Ohkura
Also filed as: OHKURA TADAHISA
18 granted patents·176 citations·filing 1998–2017
93Inventor score
Top patents by PatentIndex Score
18 records- 0188US6718135B2Flash photography systemPENTAX CORP·Filed 2001·Granted Apr 6, 2004·52 cites·17 claims
- 0285US6427051B1Controller for controlling a camera having a built-in flashASAHI OPTICAL CO LTD·Filed 2000·Granted Jul 30, 2002·22 cites·25 claims
- 0385US6341202B1Operation dial with an illuminator for a cameraASAHI OPTICAL CO LTD·Filed 2000·Granted Jan 22, 2002·22 cites·54 claims
- 0478US6826364B2Zoom flash and flash photography systemPENTAX CORP·Filed 2001·Granted Nov 30, 2004·14 cites·18 claims
- 0575US7961250B2Photographing apparatus having an exposure mode selection functionHOYA CORP·Filed 2007·Granted Jun 14, 2011·4 cites·5 claims
- 0669US6571061B2Uniform flash-emission controllerPENTAX CORP·Filed 2001·Granted May 27, 2003·13 cites·11 claims
- 0768US6512890B2Multi-flash photography systemPENTAX CORP·Filed 2001·Granted Jan 28, 2003·13 cites·34 claims
- 0868US6498901B2Flash photography systemPENTAX CORP·Filed 2001·Granted Dec 24, 2002·8 cites·22 claims
- 0964US7512332B2Camera with superimpose indication functionHOYA CORP·Filed 2005·Granted Mar 31, 2009·1 cites·8 claims
- 1063US6222622B1Photometering apparatus for a cameraASAHI OPTICAL CO LTD·Filed 1998·Granted Apr 24, 2001·8 cites·11 claims
- 1161US6343189B1Controller for controlling a built-in flash of a cameraASAHI OPTICAL CO LTD·Filed 2000·Granted Jan 29, 2002·5 cites·29 claims
- 1256US8072508B2Photographing apparatus having first and second operation devicesHIRAI ISAMU·Filed 2007·Granted Dec 6, 2011·1 cites·15 claims
- 1356US6229602B1Photometering apparatusASAHI OPTICAL CO LTD·Filed 1998·Granted May 8, 2001·5 cites·16 claims
- 1447US6122451ASetting apparatus for cameraASAHI OPTICAL CO LTD·Filed 1998·Granted Sep 19, 2000·3 cites·31 claims
- 1545US10341577B2Imaging apparatusRICOH IMAGING CO LTD·Filed 2017·Granted Jul 2, 2019·0 cites·12 claims
- 1643US7313323B2Camera system with a photometering device and an external operating devicePENTAX CORP·Filed 2004·Granted Dec 25, 2007·0 cites·20 claims
- 1739US7035536B2Flash control mechanismPENTAX CORP·Filed 2004·Granted Apr 25, 2006·0 cites·12 claims
- 1834US6014525APhotometric deviceASAHI OPTICAL CO LTD·Filed 1998·Granted Jan 11, 2000·5 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →