Inventor · disambiguated record
Ryuji Okamura
Also filed as: OKAMURA RYUJI
78 granted patents·21 pending applications·1,347 citations·filing 1989–2025
99Inventor score
Top patents by PatentIndex Score
99 records- 0198US6203618B1Exhaust system and vacuum processing apparatusCANON KK·Filed 1999·Granted Mar 20, 2001·384 cites·24 claims
- 0294US6702898B2Deposited film forming apparatusCANON KK·Filed 2002·Granted Mar 9, 2004·43 cites·6 claims
- 0394US6500500B1Method for forming a deposited film by plasma chemical vapor depositionCANON KK·Filed 2000·Granted Dec 31, 2002·56 cites·13 claims
- 0492US5514217AMicrowave plasma CVD apparatus with a deposition chamber having a circumferential wall comprising a curved moving substrate web and a microwave applicator means having a specific dielectric member on the exterior thereofCANON KK·Filed 1994·Granted May 7, 1996·122 cites·30 claims
- 0588US5817181AProcess for forming deposited film for light-receiving member, light-received member produced by the process deposited film forming apparatus, and method for cleaning deposited film forming apparatusCANON KK·Filed 1995·Granted Oct 6, 1998·39 cites·14 claims
- 0687US6586149B2Light-receiving member, image-forming apparatus, and image-forming methodCANON KK·Filed 2001·Granted Jul 1, 2003·24 cites·31 claims
- 0786US12027049B2Automated valet parking system, and method for providing automated valet parking serviceTOYOTA MOTOR CO LTD·Filed 2022·Granted Jul 2, 2024·1 cites·9 claims
- 0886US10464554B2Vehicle controllerTOYOTA MOTOR CO LTD·Filed 2017·Granted Nov 5, 2019·6 cites·5 claims
- 0985US9846430B2Vehicle control systemTOYOTA MOTOR CO LTD·Filed 2014·Granted Dec 19, 2017·6 cites·16 claims
- 1084US5455138AProcess for forming deposited film for light-receiving member, light-receiving member produced by the process, deposited film forming apparatus, and method for cleaning deposited film forming apparatusCANON KK·Filed 1993·Granted Oct 3, 1995·46 cites·105 claims
- 1183US12291195B2Automated valet parking systemTOYOTA MOTOR CO LTD·Filed 2023·Granted May 6, 2025·0 cites·15 claims
- 1283US10789847B2Parking assist device, parking assist method, and parking assist systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Sep 29, 2020·4 cites·17 claims
- 1382US5443645AMicrowave plasma CVD apparatus comprising coaxially aligned multiple gas pipe gas feed structureCANON KK·Filed 1993·Granted Aug 22, 1995·50 cites·8 claims
- 1482US2025229770A1Automated valet parking systemTOYOTA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1579US5016565AMicrowave plasma chemical vapor deposition apparatus for forming functional deposited film with means for stabilizing plasma dischargeCANON KK·Filed 1989·Granted May 21, 1991·22 cites·3 claims
- 1678US6135053AApparatus for forming a deposited film by plasma chemical vapor depositionCANON KK·Filed 1998·Granted Oct 24, 2000·39 cites·28 claims
- 1778US4954397ALight receiving member having a divided-functionally structured light receiving layer having CGL and CTL for use in electrophotographyCANON KK·Filed 1989·Granted Sep 4, 1990·21 cites·44 claims
- 1877US5030476AProcess and apparatus for the formation of a functional deposited film on a cylindrical substrate by means of microwave plasma chemical vapor depositionCANON KK·Filed 1990·Granted Jul 9, 1991·35 cites·3 claims
- 1976US5514506ALight receiving member having a multi-layered light receiving layer with an enhanced concentration of hydrogen or/and halogen atoms in the vicinity of the interface of adjacent layersCANON KK·Filed 1993·Granted May 7, 1996·21 cites·34 claims
- 2075US5232507AApparatus for forming deposited films with microwave plasma CVD methodCANON KK·Filed 1992·Granted Aug 3, 1993·27 cites·2 claims
- 2172US7033717B2Process for producing electrophotographic photosensitive member, and electrophotographic photosensitive member and electrophotographic apparatus making use of the sameCANON KK·Filed 2003·Granted Apr 25, 2006·13 cites·31 claims
- 2271US11787395B2Automated valet parking systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 17, 2023·0 cites·12 claims
- 2371US5439715AProcess and apparatus for microwave plasma chemical vapor depositionCANON KK·Filed 1993·Granted Aug 8, 1995·27 cites·3 claims
- 2470US5284730AElectrophotographic light-receiving memberCANON KK·Filed 1992·Granted Feb 8, 1994·28 cites·7 claims
- 2569US9296336B2Image display device and image display methodSOBUE YUKA·Filed 2011·Granted Mar 29, 2016·2 cites·5 claims
- 2667US8620560B2Internal combustion engine control deviceIMAI YASUHITO·Filed 2010·Granted Dec 31, 2013·2 cites·2 claims
- 2767US5597623AProcess for using microwave plasma CVDCANON KK·Filed 1994·Granted Jan 28, 1997·16 cites·15 claims
- 2865US9598106B2Parking assistance deviceSOBUE YUKA·Filed 2011·Granted Mar 21, 2017·5 cites·9 claims
- 2965US6846600B2Electrophotographic photosensitive member, process for its production, and electrophotographic apparatusCANON KK·Filed 2002·Granted Jan 25, 2005·9 cites·44 claims
- 3065US5480627AMethod for treating substrate for electrophotographic photosensitive member and method for making electrophotographic photosensitive memberCANON KK·Filed 1994·Granted Jan 2, 1996·12 cites·20 claims
- 3164US11458962B2Automatic parking systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 4, 2022·0 cites·10 claims
- 3264US5637358AMicrowave plasma chemical vapor deposition process using a microwave window and movable, dielectric sheetCANON KK·Filed 1995·Granted Jun 10, 1997·27 cites·6 claims
- 3364US5314780AMethod for treating metal substrate for electro-photographic photosensitive member and method for manufacturing electrophotographic photosensitive memberCANON KK·Filed 1992·Granted May 24, 1994·19 cites·46 claims
- 3463US8958986B2Parking assistance apparatusKAGAWA KAZUNORI·Filed 2011·Granted Feb 17, 2015·4 cites·23 claims
- 3563US7060406B2Light-receiving member, image-forming apparatus, and image-forming methodCANON KK·Filed 2003·Granted Jun 13, 2006·7 cites·32 claims
- 3662US11897455B2Autonomous driving system, autonomous driving method, and storage mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted Feb 13, 2024·0 cites·12 claims
- 3762US11893887B2Parking lot management system, parking lot management method, and storage mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted Feb 6, 2024·0 cites·11 claims
- 3862US9725117B2Parking assist systemTOYOTA MOTOR CO LTD·Filed 2014·Granted Aug 8, 2017·3 cites·7 claims
- 3962US9299260B2Image display device, and image display methodSOBUE YUKA·Filed 2011·Granted Mar 29, 2016·3 cites·6 claims
- 4062US6350497B1Plasma processing methodCANON KK·Filed 2000·Granted Feb 26, 2002·8 cites·71 claims
- 4162US6165274APlasma processing apparatus and methodCANON KK·Filed 1998·Granted Dec 26, 2000·15 cites·21 claims
- 4261US12307894B2Automated parking management device and automated parking management methodTOYOTA MOTOR CO LTD·Filed 2023·Granted May 20, 2025·0 cites·5 claims
- 4361US2025118201A1Vehicle identification methodTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 4460US8958929B2Vehicle control apparatusOKAMURA RYUJI·Filed 2011·Granted Feb 17, 2015·3 cites·3 claims
- 4560US7033721B2Method for producing electrophotographic photosensitive member, electrophotographic photosensitive member and electrophotographic apparatus using the sameCANON KK·Filed 2003·Granted Apr 25, 2006·7 cites·26 claims
- 4660US6285566B1RCC power supply with remote disabling of oscillation frequency controlMURATA MANUFACTURING CO·Filed 1999·Granted Sep 4, 2001·28 cites·18 claims
- 4759US6946167B2Deposited film forming apparatus and deposited film forming methodCANON KK·Filed 2003·Granted Sep 20, 2005·2 cites·3 claims
- 4858US12485928B2Autonomous traveling system, autonomous traveling method, and storage mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted Dec 2, 2025·0 cites·11 claims
- 4958US12115876B2Automated valet parking system, method for providing automated valet parking service, and non-transitory computer-readable storage mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·6 claims
- 5058US6321759B1Method for cleaning a substrateCANON KK·Filed 1998·Granted Nov 27, 2001·15 cites·6 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ryuji Okamura 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 →