Inventor · disambiguated record
Keisuke Hirai
Also filed as: HIRAI KEISUKE
38 granted patents·11 pending applications·573 citations·filing 1986–2021
97Inventor score
Top patents by PatentIndex Score
49 records- 0194US8579286B2Image recording deviceHIRAI KEISUKE·Filed 2009·Granted Nov 12, 2013·26 cites·8 claims
- 0294US5706617ARoof system utilizing a solar cellHIRAI ENG CORP·Filed 1996·Granted Jan 13, 1998·171 cites·4 claims
- 0394US5497587ARoof system utilizing a solar cellHIRAI ENG CORP·Filed 1993·Granted Mar 12, 1996·139 cites·9 claims
- 0483US5527800ATricyclic condensed heterocyclic compounds, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1994·Granted Jun 18, 1996·22 cites·6 claims
- 0581US6009807APrinting apparatusDAINIPPON SCREEN MFG·Filed 1998·Granted Jan 4, 2000·23 cites·20 claims
- 0678US8054366B2Auto-focusing optical apparatus with focus detection area setting capability and focus detection area changing capabilityCANON KK·Filed 2008·Granted Nov 8, 2011·4 cites·3 claims
- 0777US8289442B2Television camera system and television lens apparatusHIRAI KEISUKE·Filed 2008·Granted Oct 16, 2012·5 cites·6 claims
- 0877US7417683B2Auto-focusing optical apparatus with focus detection area setting capabilityCANON KK·Filed 2004·Granted Aug 26, 2008·13 cites·1 claims
- 0976US8785491B2Pharmaceutical compositions and methods for treating age-related macular degeneration with melatonin analoguesBARON DAVID·Filed 2009·Granted Jul 22, 2014·1 cites·23 claims
- 1076US5367843ARoof apparatusHIRAI ENG CORP·Filed 1993·Granted Nov 29, 1994·38 cites·13 claims
- 1174US10759768B2Prophylactic or therapeutic agent for autism spectrum disorderTAKEDA PHARMACEUTICALS CO·Filed 2017·Granted Sep 1, 2020·1 cites·3 claims
- 1270US7218849B2Lens device having a controller for controlling optical elements and photographing apparatus including the lens deviceCANON KK·Filed 2005·Granted May 15, 2007·4 cites·12 claims
- 1370US6837490B2Paper feeding apparatusDAINIPPON SCREEN MFG·Filed 2002·Granted Jan 4, 2005·10 cites·2 claims
- 1469US8436933B2Image pickup system and lens apparatusHIRAI KEISUKE·Filed 2010·Granted May 7, 2013·2 cites·6 claims
- 1569US6271266B1Use of idebenone and analogues against β amyloid induced cytotoxicityTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1997·Granted Aug 7, 2001·33 cites·10 claims
- 1667US7265914B2Lens device and photographing apparatus including the sameCANON KK·Filed 2005·Granted Sep 4, 2007·3 cites·10 claims
- 1765US8677519B2Drainage connectorINA TAKAMASA·Filed 2009·Granted Mar 25, 2014·4 cites·6 claims
- 1865US5686466ATricyclic condensed heterocyclic compounds their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1996·Granted Nov 11, 1997·9 cites·9 claims
- 1964US7262803B2Camera with adjustable auto-focus detection areaCANON KK·Filed 2003·Granted Aug 28, 2007·6 cites·4 claims
- 2061US7808547B2Lens apparatus and image-taking apparatus including drive range limiting function having valid and invalid statesCANON KK·Filed 2004·Granted Oct 5, 2010·4 cites·6 claims
- 2161US5810526ALubricant application apparatus in a gravure engraving machineDAINIPPON SCREEN MFG·Filed 1996·Granted Sep 22, 1998·20 cites·17 claims
- 2260US2010331402A1Prophylactic or therapeutic agent for attention deficit/hyperactivity disorderTAKEDA PHARMACEUTICAL·Filed 2009·Application pending·0 cites
- 2359US2021130305A1Prophylactic or therapeutic agent for autism spectrum disorderTAKEDA PHARMACEUTICALS CO·Filed 2020·Application pending·0 cites
- 2458US2008245247A1Printing machineDAINIPPON SCREEN MFG·Filed 2008·Application pending·0 cites
- 2557US8070286B2Image recording apparatusNAKAGAWA MASAHARU·Filed 2009·Granted Dec 6, 2011·2 cites·17 claims
- 2657US2016000746A1Pharmaceutical compositions and methods for treating age-related macular degeneration with melatonin analoguesTAKEDA PHARMACEUTICAL·Filed 2015·Application pending·0 cites
- 2756US2007088079A1Prophylactic or therapeutic agent for sleep disorderTAKEDA PHARMACEUTICAL·Filed 2006·Application pending·0 cites
- 2855US11345174B2Printing apparatus, printing system and printing methodSCREEN HOLDINGS CO LTD·Filed 2021·Granted May 31, 2022·0 cites·9 claims
- 2955US8861948B2Image pickup apparatusCANON KK·Filed 2013·Granted Oct 14, 2014·0 cites·11 claims
- 3054US11590774B2Drying apparatus, printing system and drying method for drying printing medium by hot windSCREEN HOLDINGS CO LTD·Filed 2021·Granted Feb 28, 2023·0 cites·18 claims
- 3153US8035724B2Method and apparatus for controlling lens positionCANON KK·Filed 2007·Granted Oct 11, 2011·0 cites·10 claims
- 3253US7341564B2Biopsy forceps device with transparent outer sheathBOSTON SCIENT SCIMED INC·Filed 2002·Granted Mar 11, 2008·23 cites·31 claims
- 3351US11320201B2Web drying apparatus and web drying methodSCREEN HOLDINGS CO LTD·Filed 2020·Granted May 3, 2022·0 cites·10 claims
- 3451US11215398B2Web drying apparatusSCREEN HOLDINGS CO LTD·Filed 2020·Granted Jan 4, 2022·0 cites·6 claims
- 3551US2015142085A1Pharmaceutical Compositions and Methods for Treating Age-Related Macular Degeneration with Melatonin AnaloguesTAKADA PHARMACEUTICALS U S A INC·Filed 2014·Application pending·0 cites
- 3648US11679608B2Moving device, moving method and printing apparatusSCREEN HOLDINGS CO LTD·Filed 2021·Granted Jun 20, 2023·0 cites·7 claims
- 3748US6988724B2Sheet-fed printing apparatusDAINIPPON SCREEN MFG·Filed 2003·Granted Jan 24, 2006·2 cites·6 claims
- 3846US11453227B2Drying apparatus, printing system and drying method that inject hot wind from nozzles to surface of recording mediumSCREEN HOLDINGS CO LTD·Filed 2021·Granted Sep 27, 2022·0 cites·15 claims
- 3946US2017128409A1Prophylactic or therapeutic agent for attention deficit/hyperactivity disorderTAKEDA PHARMACEUTICALS CO·Filed 2016·Application pending·0 cites
- 4044US2009306200A1Prophylactic or Therapeutic Agent for Nocturnal Conduct Disorder Associated With DementiaTAKEDA PHARMACEUTICAL·Filed 2006·Application pending·0 cites
- 4144US2009042861A1Prophylactic or Therapeutic Agent for Depression or Anxiety DisorderTAKEDA PHARMACEUTICAL·Filed 2006·Application pending·0 cites
- 4243US2008242682A1Preventive or Therapeutic Agent for Sleep DisorderTAKEDA PHARMACEUTICAL·Filed 2005·Application pending·0 cites
- 4342US7938400B2Transport device for image recording apparatus and method of correcting transport speed in transport device for image recording apparatusDAINIPPON SCREEN MFG·Filed 2009·Granted May 10, 2011·0 cites·6 claims
- 4441US9529245B2Image pickup apparatus including focus operating apparatus and focus control methodHIRAI KEISUKE·Filed 2010·Granted Dec 27, 2016·0 cites·5 claims
- 4541US5822078ASystem for engraving a plurality of gravure rollsDAINIPPON SCREEN MFG·Filed 1996·Granted Oct 13, 1998·6 cites·19 claims
- 4634US2015152628A1Flush toilet bowlLIXIL CORP·Filed 2015·Application pending·0 cites
- 4733US6318256B1Printing apparatusDAINIPPON SCREEN MFG·Filed 1998·Granted Nov 20, 2001·2 cites·12 claims
- 4826US6233501B1System for engraving a plurality of gravure rollsDAINIPPON SCREEN MFG·Filed 1998·Granted May 15, 2001·0 cites·8 claims
- 4923US4737431ANegative-electrification finely-divided toner in use for electrophotographyFACO CORP LTD·Filed 1986·Granted Apr 12, 1988·0 cites·8 claims
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