Inventor · disambiguated record
Hirotomo Sai
Also filed as: SAI HIROTOMO
15 granted patents·10 pending applications·55 citations·filing 2003–2022
89Inventor score
Files withHITACHI ASTEMO LTD6HITACHI LTD6OHBUCHI MARI3HITACHI IND & CONTROL SOLUTIONS LTD2HITACHI INDUSTRY & CONTROL SOLUTIONS LTD2
Top patents by PatentIndex Score
25 records- 0190US8368755B2Photographing apparatus, image signal choosing apparatus, driving assisting apparatus and automobileHITACHI LTD·Filed 2006·Granted Feb 5, 2013·18 cites·11 claims
- 0286US9350905B2Image signal processing apparatus, image signal processing method, and image capturing apparatusHITACHI INDUSTRY & CONTROL SOLUTIONS LTD·Filed 2015·Granted May 24, 2016·7 cites·11 claims
- 0382US7515760B2Multiple picture-data compression systemHITACHI LTD·Filed 2005·Granted Apr 7, 2009·8 cites·11 claims
- 0481US8878980B2Image signal processing device for auto-focus for a scene including a point light sourceOHBUCHI MARI·Filed 2012·Granted Nov 4, 2014·6 cites·20 claims
- 0574US9602737B2Imaging apparatusHITACHI IND & CONTROL SOLUTIONS LTD·Filed 2015·Granted Mar 21, 2017·2 cites·9 claims
- 0670US9712724B2Image signal processing apparatus, imaging apparatus and image processing program for performing image and noise correctionHITACHI IND & CONTROL SOLUTIONS LTD·Filed 2013·Granted Jul 18, 2017·2 cites·32 claims
- 0767US8681242B2Image signal processing systemOHBUCHI MARI·Filed 2011·Granted Mar 25, 2014·2 cites·18 claims
- 0861US7590348B2Photographing apparatusHITACHI LTD·Filed 2006·Granted Sep 15, 2009·1 cites·5 claims
- 0960US9355327B2Image processing apparatus and imaging apparatus with noise correction function and signal level correction functionHITACHI INDUSTRY & CONTROL SOLUTIONS LTD·Filed 2014·Granted May 31, 2016·1 cites·17 claims
- 1059US8836826B2Image signal processing apparatus and image signal processing methodOHBUCHI MARI·Filed 2011·Granted Sep 16, 2014·1 cites·13 claims
- 1157US7304672B2Contour correcting video signal processing apparatusHITACHI LTD·Filed 2003·Granted Dec 4, 2007·7 cites·17 claims
- 1252US2025005775A1External environment recognition deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 1352US2025201114A1External environment recognition device and external environment recognition methodHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 1452US2025222880A1Vehicle-mounted imaging systemHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 1550US2024185458A1Object distance detecting deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 1649US8254702B2Image compression method and image processing apparatusYATABE YUSUKE·Filed 2008·Granted Aug 28, 2012·0 cites·8 claims
- 1749US2023260147A1Signal processing deviceHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 1847US9723282B2In-vehicle imaging deviceCLARION CO LTD·Filed 2013·Granted Aug 1, 2017·0 cites·5 claims
- 1945US2005046616A1Radio communication apparatus and radio communication methodFiled 2004·Application pending·0 cites
- 2044US8830338B2Imaging deviceHIROOKA SHINICHIRO·Filed 2012·Granted Sep 9, 2014·0 cites·8 claims
- 2144US2013201386A1Image signal processing apparatus and image signal processing methodHITACHI LTD·Filed 2013·Application pending·0 cites
- 2243US2004240552A1Moving picture processing apparatusFiled 2004·Application pending·0 cites
- 2343US2024265693A1Image processing apparatus and image processing systemHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 2443US2005280702A1Imaging apparatusHITACHI LTD·Filed 2005·Application pending·0 cites
- 2533US8804011B2Imaging deviceSAI HIROTOMO·Filed 2011·Granted Aug 12, 2014·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →