Inventor · disambiguated record
Hirokazu Ishii
Also filed as: ISHII HIROKAZU
93 granted patents·11 pending applications·742 citations·filing 1993–2025
99Inventor score
Top patents by PatentIndex Score
104 records- 0195US11653091B2Focus detecting apparatus and method using multi-AF frame, and image pickup apparatusCANON KK·Filed 2021·Granted May 16, 2023·4 cites·20 claims
- 0295US9479688B2Image capture apparatusCANON KK·Filed 2012·Granted Oct 25, 2016·21 cites·16 claims
- 0394US10500820B2Laminating apparatus and laminating method using the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Dec 10, 2019·6 cites·9 claims
- 0494US8934822B2Transfer device and image forming apparatusMIMBU RYUUICHI·Filed 2012·Granted Jan 13, 2015·10 cites·19 claims
- 0594US5812919AImage transferring device for an image forming apparatusRICOH KK·Filed 1996·Granted Sep 22, 1998·74 cites·30 claims
- 0694US5631725AImage transfer device for an image forming apparatusRICOH KK·Filed 1994·Granted May 20, 1997·57 cites·30 claims
- 0793US6282386B1Transfer-conveyance device and method capable of controlling transfer bias according to change in environmental conditionRICOH KK·Filed 2000·Granted Aug 28, 2001·46 cites·24 claims
- 0892US8965227B2Image forming apparatus including forced toner consumption controlMIZUTANI TAKEHIDE·Filed 2013·Granted Feb 24, 2015·8 cites·8 claims
- 0992US8787806B2Image forming apparatusNAKAMURA KEIGO·Filed 2012·Granted Jul 22, 2014·6 cites·13 claims
- 1091US11458716B2Lamination apparatus and method of manufacturing display device using the sameSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Oct 4, 2022·2 cites·6 claims
- 1191US6188862B1Image forming apparatus preventing toner adhesion onto transfer memberRICOH KK·Filed 2000·Granted Feb 13, 2001·37 cites·72 claims
- 1289US7383104B2Low-noise flight support systemJAPAN AEROSPACE EXPLORATION·Filed 2005·Granted Jun 3, 2008·41 cites·20 claims
- 1388US9195179B2Transfer device and image forming apparatus including sameSHIMIZU YASUNOBU·Filed 2013·Granted Nov 24, 2015·5 cites·11 claims
- 1487US7409182B2Brush member and transfer device and image forming apparatus using the sameRICOH KK·Filed 2006·Granted Aug 5, 2008·9 cites·15 claims
- 1586US9426354B2Image processing apparatus, image sensing apparatus, control method, and recording mediumCANON KK·Filed 2015·Granted Aug 23, 2016·4 cites·12 claims
- 1686US9395659B2Image forming apparatusTANAKA SHINYA·Filed 2014·Granted Jul 19, 2016·4 cites·20 claims
- 1786US9160930B2Lens driving control apparatus and lens apparatusISHII HIROKAZU·Filed 2012·Granted Oct 13, 2015·7 cites·6 claims
- 1885US9277150B2Image pickup apparatus and camera system capable of improving calculation accuracy of defocus amountISHII HIROKAZU·Filed 2012·Granted Mar 1, 2016·6 cites·12 claims
- 1985US5822667ATransfer separatorRICOH KK·Filed 1996·Granted Oct 13, 1998·38 cites·13 claims
- 2084US10357951B2Laminating apparatus and laminating method using the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Jul 23, 2019·3 cites·22 claims
- 2184US9395658B2Image forming apparatusWADA YUUJI·Filed 2015·Granted Jul 19, 2016·2 cites·19 claims
- 2284US8611738B2Image capturing apparatusISHII HIROKAZU·Filed 2010·Granted Dec 17, 2013·5 cites·5 claims
- 2384US5515146AApparatus and method for cleaning a belt of an image forming apparatusRICOH KK·Filed 1995·Granted May 7, 1996·42 cites·26 claims
- 2483US10185255B2Image forming apparatus and image forming method for controlling a secondary transfer bias according to recording sheet typeRICOH CO LTD·Filed 2017·Granted Jan 22, 2019·2 cites·19 claims
- 2583US9632461B2Image forming apparatus controlling transfer bias based on temperature and humiditySUGIURA KENJI·Filed 2015·Granted Apr 25, 2017·2 cites·31 claims
- 2683US9488937B2Image forming apparatusTANAKA SHINYA·Filed 2013·Granted Nov 8, 2016·3 cites·32 claims
- 2783US9459564B2Image forming apparatusOHSUGI TATSUYA·Filed 2015·Granted Oct 4, 2016·2 cites·12 claims
- 2883US9134656B2Image forming apparatusMIZUTANI TAKEHIDE·Filed 2014·Granted Sep 15, 2015·3 cites·14 claims
- 2983US9075350B2Image forming apparatus to maintain adequate transferability of toner to a recording mediumTANAKA SHINYA·Filed 2013·Granted Jul 7, 2015·3 cites·13 claims
- 3083US9025821B2Image processing apparatus, image sensing apparatus, control method, and recording mediumCANON KK·Filed 2013·Granted May 5, 2015·4 cites·12 claims
- 3182US9835987B2Image forming apparatus and transfer bias controlSUGIURA KENJI·Filed 2016·Granted Dec 5, 2017·2 cites·13 claims
- 3282US9740156B2Image forming apparatus that adjusts a transfer bias according to surface properties of a transfer targetWADA YUUJI·Filed 2016·Granted Aug 22, 2017·2 cites·18 claims
- 3382US6778802B2Image transferring and sheet separating device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Aug 17, 2004·19 cites·18 claims
- 3482US5930573AImage forming apparatus and image transferring device thereof having conveying member with selected surface resistivityRICOH KK·Filed 1998·Granted Jul 27, 1999·39 cites·19 claims
- 3582US5351143AHand-writable polymer dispersed liquid crystal board set with high resistance layer of crosslinking polymer adjacent conductive layerPILOT KK·Filed 1993·Granted Sep 27, 1994·60 cites·40 claims
- 3681US9817341B2Image forming apparatusOHSUGI TATSUYA·Filed 2016·Granted Nov 14, 2017·2 cites·20 claims
- 3781US9645530B2Image forming apparatusKOCHI NAOTO·Filed 2016·Granted May 9, 2017·2 cites·10 claims
- 3880US12235444B2Linked display system and head-mounted displayMAXELL LTD·Filed 2023·Granted Feb 25, 2025·0 cites·7 claims
- 3980US9285722B2Image forming apparatus having transfer bias controlTANAKA SHINYA·Filed 2013·Granted Mar 15, 2016·2 cites·16 claims
- 4080US9274461B2Transfer device and image forming apparatus incorporating sameKATO TSUTOMU·Filed 2014·Granted Mar 1, 2016·3 cites·8 claims
- 4180US6813467B2Image forming apparatusRICOH KK·Filed 2003·Granted Nov 2, 2004·15 cites·61 claims
- 4279US9046830B2Image forming apparatusTANAKA SHINYA·Filed 2014·Granted Jun 2, 2015·2 cites·21 claims
- 4377US10067454B2Image forming apparatusNAGATA ATSUSHI·Filed 2017·Granted Sep 4, 2018·2 cites·16 claims
- 4477US6895209B2Cleaning device and image forming apparatus using the sameRICOH KK·Filed 2003·Granted May 17, 2005·15 cites·20 claims
- 4576US9667878B2Image capturing apparatus and control method for image capturing apparatusCANON KK·Filed 2016·Granted May 30, 2017·2 cites·10 claims
- 4675US10523860B2Focus detection device, control method thereof, and image capture apparatusCANON KK·Filed 2017·Granted Dec 31, 2019·2 cites·18 claims
- 4775US10295948B2Image forming apparatusNAKAMURA KEIGO·Filed 2017·Granted May 21, 2019·1 cites·20 claims
- 4875US7929175B2Image printing apparatus and method of controlling the sameCANON KK·Filed 2006·Granted Apr 19, 2011·4 cites·18 claims
- 4974US10986261B2Image capturing apparatus and control method thereofCANON KK·Filed 2019·Granted Apr 20, 2021·1 cites·16 claims
- 5074US2025164787A1Linked display system and head-mounted displayMAXELL LTD·Filed 2025·Application pending·0 cites
Showing the top 50 of 104 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →