Inventor · disambiguated record
Koichi Furusawa
Also filed as: FURUSAWA KOICHI
39 granted patents·5 pending applications·1,397 citations·filing 1996–2021
98Inventor score
Files withASAHI OPTICAL CO LTD29OMRON TATEISI ELECTRONICS CO7PENTAX CORP6ALPHA TECHNICAL RES CO LTD1TOBORI KENJI1
Top patents by PatentIndex Score
44 records- 0197US6498948B1Endoscope systemPENTAX CORP·Filed 2000·Granted Dec 24, 2002·123 cites·15 claims
- 0286US6477403B1Endoscope systemASAHI OPTICAL CO LTD·Filed 2000·Granted Nov 5, 2002·206 cites·12 claims
- 0385US6790175B1Endoscope systemPENTAX CORP·Filed 2000·Granted Sep 14, 2004·180 cites·11 claims
- 0485US6059720AEndoscope system with amplification of fluorescent imageASAHI OPTICAL CO LTD·Filed 1998·Granted May 9, 2000·100 cites·5 claims
- 0582US6246423B1Manual thermal writing device for forming image on image-forming substrateASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 12, 2001·46 cites·13 claims
- 0680US6139914AMicrocapsules used in image-forming substrate and process of producing sameASAHI OPTICAL CO LTD·Filed 1998·Granted Oct 31, 2000·25 cites·9 claims
- 0779US6456769B1Fiber bundle and endoscope apparatusASAHI OPTICAL CO LTD·Filed 2000·Granted Sep 24, 2002·98 cites·8 claims
- 0877US6527708B1Endoscope systemPENTAX CORP·Filed 2000·Granted Mar 4, 2003·101 cites·10 claims
- 0976US6371908B1Video endoscopic apparatus for fluorescent diagnosisASAHI OPTICAL CO LTD·Filed 1999·Granted Apr 16, 2002·53 cites·9 claims
- 1076US6228441B1Rewriteable image-recording substrate, image-recording apparatus and image-erasing apparatus thereforASAHI OPTICAL CO LTD·Filed 1999·Granted May 8, 2001·25 cites·19 claims
- 1174US7333189B2Spectroscopic diagnostic methods and systemPENTAX CORP·Filed 2003·Granted Feb 19, 2008·12 cites·14 claims
- 1272US6106173AImage-forming system including a plurality of thermal heads and an image-forming sheet with a plurality of types of micro-capsulesASAHI OPTICAL CO LTD·Filed 1999·Granted Aug 22, 2000·19 cites·11 claims
- 1371US6438302B1Endoscope system and illuminating device for the endoscopeASAHI OPTICAL CO LTD·Filed 2000·Granted Aug 20, 2002·57 cites·14 claims
- 1469US6486905B2Image-forming substrate and image-forming system using sameASAHI OPTICAL CO LTD·Filed 2002·Granted Nov 26, 2002·10 cites·4 claims
- 1569US6402402B1Pressure-sensitive and heat-sensitive image transfer apparatus for recordingASAHI OPTICAL CO LTD·Filed 2000·Granted Jun 11, 2002·5 cites·15 claims
- 1669US6161971AImage-forming systemASAHI OPTICAL CO LTD·Filed 1998·Granted Dec 19, 2000·19 cites·26 claims
- 1767US12205778B2Trigger switchOMRON TATEISI ELECTRONICS CO·Filed 2021·Granted Jan 21, 2025·0 cites·5 claims
- 1866US6788861B1Endoscope system, scanning optical system and polygon mirrorPENTAX CORP·Filed 2000·Granted Sep 7, 2004·40 cites·10 claims
- 1964US6436600B1Image-forming substrate and image-forming system using sameASAHI OPTICAL CO LTD·Filed 1998·Granted Aug 20, 2002·18 cites·21 claims
- 2063US6217239B1Temperature control apparatusASAHI OPTICAL CO LTD·Filed 1999·Granted Apr 17, 2001·21 cites·14 claims
- 2161US6243161B1Image-forming liquid medium containing microcapsules filled with dyes and image-forming apparatus using such liquid mediumASAHI OPTICAL CO LTD·Filed 1998·Granted Jun 5, 2001·14 cites·20 claims
- 2261US6109800APressure-sensitive and heat-sensitive image transfer apparatus for recordingASAHI OPTICAL CO LTD·Filed 1999·Granted Aug 29, 2000·12 cites·19 claims
- 2359US6161035AFluorescence diagnostic apparatusASAHI OPTICAL CO LTD·Filed 1998·Granted Dec 12, 2000·100 cites·8 claims
- 2454US11469059B2Switch and operation deviceOMRON TATEISI ELECTRONICS CO·Filed 2020·Granted Oct 11, 2022·0 cites·7 claims
- 2554US6600861B2Fiber bundle and endoscope apparatusPENTAX CORP·Filed 2002·Granted Jul 29, 2003·9 cites·9 claims
- 2654US5840017AEndoscope systemASAHI OPTICAL CO LTD·Filed 1996·Granted Nov 24, 1998·71 cites·8 claims
- 2752US6403166B1Microcapsules used in image-forming substrate and process of producing sameASAHI OPTICAL CO LTD·Filed 2000·Granted Jun 11, 2002·4 cites·1 claims
- 2852US2010124663A1Resin composition and sheet using resin compositionALPHA TECHNICAL RES CO LTD·Filed 2008·Application pending·0 cites
- 2950US10667779B2Operation device and x-ray imaging unitOMRON TATEISI ELECTRONICS CO·Filed 2016·Granted Jun 2, 2020·0 cites·6 claims
- 3050US6210053B1Image-forming apparatus with a thermal head including an arcuate bimetal elementASAHI OPTICAL CO LTD·Filed 1999·Granted Apr 3, 2001·8 cites·15 claims
- 3147US6433855B2Pressure-sensitive and heat-sensitive image transfer apparatus for recordingASAHI OPTICAL CO LTD·Filed 2001·Granted Aug 13, 2002·0 cites·10 claims
- 3243US10433806B2Operation device, control method, and X-ray imaging unitOMRON TATEISI ELECTRONICS CO·Filed 2016·Granted Oct 8, 2019·0 cites·7 claims
- 3342US6283649B1Image-forming systemASAHI OPTICAL CO LTD·Filed 2000·Granted Sep 4, 2001·1 cites·12 claims
- 3442US2002021355A1Video endoscope systemASAHI OPTICAL CO LTD·Filed 2001·Application pending·0 cites
- 3540US10524747B2Holding mechanism for operation device and X-ray imaging unitOMRON TATEISI ELECTRONICS CO·Filed 2016·Granted Jan 7, 2020·0 cites·6 claims
- 3640US6243119B1Image-forming systemASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 5, 2001·6 cites·14 claims
- 3739US2006198576A1Optical multiplexer/demultiplexer and production method for optical multiplexer/demultiplexerOMRON TATEISI ELECTRONICS CO·Filed 2003·Application pending·0 cites
- 3838US6417915B1System for rupturing microcapsules filled with a dyeASAHI OPTICAL CO LTD·Filed 1998·Granted Jul 9, 2002·5 cites·48 claims
- 3937US6573922B1Thermal head driver system and thermal image-forming apparatus therewithASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 3, 2003·4 cites·17 claims
- 4035US6259464B1Image-forming substrate and image-forming apparatus using sameASAHI OPTICAL CO LTD·Filed 1999·Granted Jul 10, 2001·3 cites·24 claims
- 4134US2008260331A1Multiplexer/Demultiplexer, Method for Fabricating the Same, and Optical Multiplexe/Demultiplexer ModuleOMRON TATEISI ELECTRONICS CO·Filed 2006·Application pending·0 cites
- 4233US6411369B1Image-forming system and recording sheet for sameASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 25, 2002·2 cites·18 claims
- 4333US2013325152A1Parameter setting device and parameter setting systemTOBORI KENJI·Filed 2011·Application pending·0 cites
- 4432US6246465B1Pressure-sensitive and heat-sensitive image transfer apparatus for recordingASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 12, 2001·0 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →