Inventor · disambiguated record
Eiji Yamamoto
Also filed as: YAMAMOTO EIJI
111 granted patents·44 pending applications·1,320 citations·filing 1975–2025
99Inventor score
Files withOLYMPUS CORP53SONY CORP13OMRON TATEISI ELECTRONICS CO11HITACHI LTD9YASKAWA DENKI SEISAKUSHO KK8
Top patents by PatentIndex Score
155 records- 0195US6466294B1Liquid crystal display panel using sealing adhesive containing conductive particlesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 15, 2002·111 cites·8 claims
- 0294US9888838B2Light source deviceOLYMPUS CORP·Filed 2015·Granted Feb 13, 2018·13 cites·38 claims
- 0394US9182337B2Observation apparatus capable of detecting distal end position of insertion module using external lightOLYMPUS CORP·Filed 2013·Granted Nov 10, 2015·15 cites·23 claims
- 0493US6713756B2Optical encoder and optical rotary encoderOLYMPUS CORP·Filed 2001·Granted Mar 30, 2004·56 cites·71 claims
- 0591US6046936ASemiconductor, memory card, and data processing systemHITACHI LTD·Filed 1999·Granted Apr 4, 2000·65 cites·15 claims
- 0690US7731350B2Ink jet printerFUNAI ELECTRIC CO·Filed 2006·Granted Jun 8, 2010·12 cites·6 claims
- 0789US8181783B2Wet sheet flexible package and label for the wet sheet flexible packageKAKURA YOSHIKAZU·Filed 2008·Granted May 22, 2012·25 cites·3 claims
- 0889US6333871B1Nonvolatile semiconductor memory including a controller for providing an improved reprogram operationHITACHI LTD·Filed 2000·Granted Dec 25, 2001·39 cites·18 claims
- 0988US7399192B2High density flexible wiring boardFUNAI ELECTRIC CO·Filed 2007·Granted Jul 15, 2008·16 cites·5 claims
- 1088US6351397B1Protection apparatus and protection method of PWM cycloconverterYASKAWA DENKI SEISAKUSHO KK·Filed 1999·Granted Feb 26, 2002·69 cites·6 claims
- 1187US9261261B2Illumination systemOLYMPUS CORP·Filed 2013·Granted Feb 16, 2016·6 cites·16 claims
- 1287US9228725B2Light source unit, optical conversion unit, light source apparatus and light source system for an endoscopeOLYMPUS CORP·Filed 2013·Granted Jan 5, 2016·7 cites·33 claims
- 1387US6992936B2Semiconductor, memory card, and data processing systemHITACHI ULSI SYS CO LTD·Filed 2004·Granted Jan 31, 2006·31 cites·8 claims
- 1485US7526358B2Three-dimensional CAD system and part cost calculation systemHONDA MOTOR CO LTD·Filed 2002·Granted Apr 28, 2009·39 cites·4 claims
- 1585US7369970B2Method and apparatus for estimating product costHONDA MOTOR CO LTD·Filed 2001·Granted May 6, 2008·45 cites·18 claims
- 1684US6816491B1Multiplexed audio data decoding apparatus and receiver apparatusHITACHI LTD·Filed 1999·Granted Nov 9, 2004·73 cites·9 claims
- 1784US6067521AInterrupt correction of speech recognition for a navigation deviceSONY CORP·Filed 1996·Granted May 23, 2000·84 cites·14 claims
- 1882US8885377B2Matrix converterYAMAMOTO EIJI·Filed 2012·Granted Nov 11, 2014·6 cites·20 claims
- 1982US8610050B2Optical displacement detection apparatusYAMAMOTO EIJI·Filed 2012·Granted Dec 17, 2013·5 cites·14 claims
- 2082US7466555B2Card connector assembly having card misinsertion preventive structureFUNAI ELECTRIC CO·Filed 2006·Granted Dec 16, 2008·11 cites·8 claims
- 2181US6507520B2Nonvolatile memory systemHITACHI LTD·Filed 2001·Granted Jan 14, 2003·22 cites·8 claims
- 2281US5084894AOptical semiconductor deviceOPTICAL MEASUREMENT TECHNOLOGY·Filed 1990·Granted Jan 28, 1992·45 cites·25 claims
- 2380US10419693B2Imaging apparatus, endoscope apparatus, and microscope apparatusOLYMPUS CORP·Filed 2016·Granted Sep 17, 2019·3 cites·22 claims
- 2480US7782643B2Matrix converter apparatusYASKAWA DENKI SEISAKUSHO KK·Filed 2006·Granted Aug 24, 2010·16 cites·20 claims
- 2580US7417218B2Triple grating optical encoder with light transmitting area in optical pathOLYMPUS CORP·Filed 2006·Granted Aug 26, 2008·10 cites·14 claims
- 2679US10502558B2Curvature sensorOLYMPUS CORP·Filed 2018·Granted Dec 10, 2019·3 cites·9 claims
- 2778US10302933B2Insertion apparatusOLYMPUS CORP·Filed 2016·Granted May 28, 2019·3 cites·11 claims
- 2878US5801509AMethod of starting a permanent-magnet synchronous motor equipped with angular position detector and apparatus for controlling such motorYASKAWA DENKI SEISAKUSHO KK·Filed 1996·Granted Sep 1, 1998·51 cites·6 claims
- 2977US9086340B2Tubular insertion deviceOLYMPUS CORP·Filed 2014·Granted Jul 21, 2015·2 cites·15 claims
- 3075US10678218B2Control deviceOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Jun 9, 2020·1 cites·20 claims
- 3175US9146097B2Optical bend measurement apparatusOLYMPUS CORP·Filed 2013·Granted Sep 29, 2015·3 cites·9 claims
- 3275US7102760B2Optical displacement sensor and optical encoderOLYMPUS CORP·Filed 2005·Granted Sep 5, 2006·6 cites·5 claims
- 3374US10791914B2Insertion/removal supporting apparatus and insertion/removal supporting methodOLYMPUS CORP·Filed 2017·Granted Oct 6, 2020·2 cites·12 claims
- 3474US8369005B2Fiber light sourceOLYMPUS CORP·Filed 2008·Granted Feb 5, 2013·6 cites·10 claims
- 3574US7649168B2Triple grating optical encoder and modified triple grating optical encoder for displacement detectionOLYMPUS CORP·Filed 2007·Granted Jan 19, 2010·7 cites·24 claims
- 3673US7447241B2Multiplexed audio data decoding apparatus and receiver apparatusHITACHI LTD·Filed 2004·Granted Nov 4, 2008·9 cites·25 claims
- 3773US7102759B2Optical displacement sensor and optical encoderOLYMPUS CORP·Filed 2005·Granted Sep 5, 2006·5 cites·5 claims
- 3873US5671052AOptical encoderOLYMPUS OPTICAL CO·Filed 1995·Granted Sep 23, 1997·35 cites·20 claims
- 3972US10761884B2Control device for operating multiple types of programs in different execution formatsOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Sep 1, 2020·1 cites·7 claims
- 4072US8857852B2Beam memberYAMAMOTO EIJI·Filed 2012·Granted Oct 14, 2014·3 cites·10 claims
- 4171US8186864B2Light source deviceKOMAZAKI IWAO·Filed 2010·Granted May 29, 2012·9 cites·2 claims
- 4270US6233174B1Non volatile semiconductor, memoryHITACHI LTD·Filed 2000·Granted May 15, 2001·12 cites·16 claims
- 4369US6778963B2Speech recognition system for car navigation and microphoneSONY CORP·Filed 2001·Granted Aug 17, 2004·18 cites·10 claims
- 4469US6230136B1Voice control system and navigation system using sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 8, 2001·23 cites·25 claims
- 4569US6064323ANavigation apparatus, navigation method and automotive vehiclesSONY CORP·Filed 1996·Granted May 16, 2000·47 cites·15 claims
- 4668US8689990B2Metal cap and bottle with capHDEYASU MUTO·Filed 2011·Granted Apr 8, 2014·8 cites·6 claims
- 4768US8159851B2Matrix converterHARA HIDENORI·Filed 2010·Granted Apr 17, 2012·4 cites·7 claims
- 4867US10908577B2Control deviceOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Feb 2, 2021·1 cites·6 claims
- 4966US11782298B2Illuminating device, imaging system, endoscope system including the imaging system, and microscope system including the imaging systemOLYMPUS CORP·Filed 2019·Granted Oct 10, 2023·0 cites·20 claims
- 5066US6631005B1Optical displacement sensor having a semiconductor laser light source using an optical element which can control beam angle and a beam shapeOLYMPUS OPTICAL CO·Filed 2000·Granted Oct 7, 2003·8 cites·5 claims
Showing the top 50 of 155 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Eiji Yamamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →