Inventor · disambiguated record
Toshihiro Ishii
Also filed as: ISHII TOSHIHIRO
38 granted patents·5 pending applications·228 citations·filing 1977–2022
97Inventor score
Top patents by PatentIndex Score
43 records- 0196US8750732B2Moisture sensor, moisture detector, and image forming apparatusISHII TOSHIHIRO·Filed 2012·Granted Jun 10, 2014·25 cites·8 claims
- 0293US8035676B2Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Oct 11, 2011·23 cites·14 claims
- 0393US7978739B2Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jul 12, 2011·20 cites·17 claims
- 0492US8111725B2Surface-emitting laser, surface-emitting laser array, optical scanning device, and image forming apparatusISHII TOSHIHIRO·Filed 2009·Granted Feb 7, 2012·21 cites·14 claims
- 0591US9157853B2Moisture sensor, moisture detector, and image forming apparatusRICOH CO LTD·Filed 2014·Granted Oct 13, 2015·8 cites·9 claims
- 0690US9696674B2Optical sensor and image forming apparatusISHII TOSHIHIRO·Filed 2013·Granted Jul 4, 2017·4 cites·8 claims
- 0787US8803936B2Optical device capable of minimizing output variation due to feedback light, optical scanning apparatus, and image forming apparatusADACHI KAZUHIKO·Filed 2010·Granted Aug 12, 2014·8 cites·14 claims
- 0884US7374116B2Circulation type media agitator millASHIZAWA FINETECH LTD·Filed 2005·Granted May 20, 2008·15 cites·6 claims
- 0984US4892988AMembrane panel switchISHII HYOKI KK·Filed 1988·Granted Jan 9, 1990·31 cites·2 claims
- 1082US9267886B2Optical sensor and image forming apparatusOHBA YOSHIHIRO·Filed 2011·Granted Feb 23, 2016·3 cites·20 claims
- 1182US9103717B2Optical sensor and image forming apparatus configured to detect inside diffusely-reflected lightOBA YOSHIHIRO·Filed 2013·Granted Aug 11, 2015·4 cites·9 claims
- 1281US9429513B2Sensor apparatus and image forming apparatus incorporating sameRICOH CO LTD·Filed 2014·Granted Aug 30, 2016·4 cites·18 claims
- 1381US8942583B2Optical sensor and image forming apparatusHOSHI FUMIKAZU·Filed 2013·Granted Jan 27, 2015·3 cites·16 claims
- 1478US8916418B2Surface-emitting laser module, optical scanner device, and image forming apparatusISHII TOSHIHIRO·Filed 2011·Granted Dec 23, 2014·3 cites·16 claims
- 1577US8971749B2Optical sensor and image forming apparatusOBA YOSHIHIRO·Filed 2013·Granted Mar 3, 2015·2 cites·12 claims
- 1677US8446446B2Optical device, optical scanning apparatus and image forming apparatusHOSHI FUMIKAZU·Filed 2011·Granted May 21, 2013·4 cites·18 claims
- 1777US8416822B2Manufacturing method, surface-emitting laser device, surface-emitting laser array, optical scanner, and image forming apparatusSHOUJI HIROYOSHI·Filed 2009·Granted Apr 9, 2013·4 cites·18 claims
- 1875US9170190B2Sensor device and image forming apparatusGOTO KAZUMA·Filed 2014·Granted Oct 27, 2015·2 cites·12 claims
- 1975US7728503B2Electron emission element, charging device, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted Jun 1, 2010·4 cites·23 claims
- 2074US10177530B2Optical sensor, optical examination device, and optical property detection methodISHII TOSHIHIRO·Filed 2016·Granted Jan 8, 2019·1 cites·15 claims
- 2171US10067056B2Optical sensor, optical inspection device, and optical property detection method for detecting light propagated inside a test objectFUJIWARA MASAYUKI·Filed 2015·Granted Sep 4, 2018·3 cites·14 claims
- 2271US9831633B2Surface-emitting laser module, optical scanner device, and image forming apparatusISHII TOSHIHIRO·Filed 2016·Granted Nov 28, 2017·1 cites·10 claims
- 2370US10768095B2Optical sensorTAKAHASHI YOICHIRO·Filed 2019·Granted Sep 8, 2020·2 cites·10 claims
- 2470US10175169B2Optical sensor, optical testing apparatus, and optical characteristics detection methodISHII TOSHIHIRO·Filed 2015·Granted Jan 8, 2019·1 cites·12 claims
- 2570US4937932AMembrane panel switchISHII HYOKI KK·Filed 1989·Granted Jul 3, 1990·17 cites·1 claims
- 2668US11215945B2Optical sensor and image forming apparatusRICOH CO LTD·Filed 2020·Granted Jan 4, 2022·0 cites·13 claims
- 2768US9513218B2Optical sensor and image forming device incorporating the sameOHBA YOSHIHIRO·Filed 2014·Granted Dec 6, 2016·1 cites·11 claims
- 2868US8086141B2Electric charging apparatus and image forming apparatus using the sameSOMEYA YUKIMICHI·Filed 2008·Granted Dec 27, 2011·3 cites·19 claims
- 2965US10606204B2Optical sensor and image forming apparatusRICOH CO LTD·Filed 2017·Granted Mar 31, 2020·0 cites·20 claims
- 3065US10039452B2Optical sensor, optical testing device, and optical characteristic detection methodISHII TOSHIHIRO·Filed 2014·Granted Aug 7, 2018·3 cites·18 claims
- 3164US10292590B2Optical examination method and optical examination deviceRICOH CO LTD·Filed 2016·Granted May 21, 2019·1 cites·14 claims
- 3264US9678006B2Optical sensor and image forming apparatusRICOH CO LTD·Filed 2016·Granted Jun 13, 2017·0 cites·18 claims
- 3357US9276377B2Surface-emitting laser module, optical scanner device, and image forming apparatusISHII TOSHIHIRO·Filed 2014·Granted Mar 1, 2016·0 cites·4 claims
- 3456US2023050179A1Biological measurement device, pulse wave sensor, sphygmomanometer, and meeting support systemISHII TOSHIHIRO·Filed 2022·Application pending·0 cites
- 3555US9513216B2Optical sensor and image forming apparatusOHBA YOSHIHIRO·Filed 2015·Granted Dec 6, 2016·0 cites·9 claims
- 3654US2022304606A1Magnetic measurement apparatus and magnetic measurement systemISHII TOSHIHIRO·Filed 2022·Application pending·0 cites
- 3753US4117080AProcess for regenerating permanganate and/or manganate from manganese dioxideNISSAN ENGINEERING LTD·Filed 1977·Granted Sep 26, 1978·7 cites·9 claims
- 3852US8630325B2Manufacturing method, surface-emitting laser device, surface-emitting laser array, optical scanner, and image forming apparatusSHOUJI HIROYOSHI·Filed 2013·Granted Jan 14, 2014·0 cites·8 claims
- 3951US9188530B2Sensor and image-forming apparatusHOSHI FUMIKAZU·Filed 2014·Granted Nov 17, 2015·0 cites·19 claims
- 4048US8976216B2Light source unit, optical scanning device, and image forming apparatusOHBA YOSHIHIRO·Filed 2011·Granted Mar 10, 2015·0 cites·19 claims
- 4146US2013235377A1Optical sensor and image forming deviceISHII TOSHIHIRO·Filed 2013·Application pending·0 cites
- 4245US2013057868A1Optical sensor, image forming apparatus and determination methodOBA YOSHIHIRO·Filed 2012·Application pending·0 cites
- 4344US2015116718A1Optical sensor and image forming apparatus incorporating sameOCHI TERUMICHI·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →