Inventor · disambiguated record
Takatoshi Ashizawa
Also filed as: ASHIZAWA TAKATOSHI
38 granted patents·6 pending applications·412 citations·filing 1993–2025
97Inventor score
Top patents by PatentIndex Score
44 records- 0192US2025364924A1Lens barrel and imaging deviceNIKON CORP·Filed 2025·Application pending·0 cites
- 0291US11522473B2Vibration wave motor and optical deviceNIKON CORP·Filed 2018·Granted Dec 6, 2022·2 cites·10 claims
- 0391US6242846B1Vibration actuator to control pitching vibrationNIKON CORP·Filed 1999·Granted Jun 5, 2001·73 cites·22 claims
- 0488US2024372487A1Lens barrel and imaging deviceNIKON CORP·Filed 2024·Application pending·0 cites
- 0585US5821667AUltrasonic motorNIKON CORP·Filed 1997·Granted Oct 13, 1998·38 cites·8 claims
- 0685US5614970AFlash lighting apparatus and a camera equipped with the flash lighting apparatusNIKON CORP·Filed 1995·Granted Mar 25, 1997·23 cites·23 claims
- 0784US10871700B2Drive apparatus, drive method, and optical deviceNIKON CORP·Filed 2018·Granted Dec 22, 2020·2 cites·8 claims
- 0884US2023369993A1Lens barrel and imaging deviceNIKON CORP·Filed 2023·Application pending·0 cites
- 0982US11757381B2Lens barrel and imaging device with element and elastic body for producing vibration waveNIKON CORP·Filed 2022·Granted Sep 12, 2023·0 cites·8 claims
- 1081US6392328B1Vibration motorNIKON CORP·Filed 2000·Granted May 21, 2002·25 cites·19 claims
- 1181US6252332B1Ultrasonic motorNIKON CORP·Filed 1997·Granted Jun 26, 2001·33 cites·7 claims
- 1280US5672930AVibration motorNIKON CORP·Filed 1996·Granted Sep 30, 1997·40 cites·14 claims
- 1376US2025264687A1Vibrator and vibration wave motorNIKON CORP·Filed 2025·Application pending·0 cites
- 1475US8824071B2Lens barrel and cameraASHIZAWA TAKATOSHI·Filed 2011·Granted Sep 2, 2014·3 cites·13 claims
- 1574US8035276B2Vibration actuator, lens barrel and cameraNIKON CORP·Filed 2009·Granted Oct 11, 2011·6 cites·8 claims
- 1673US12326612B2Vibrator and vibration wave motorNIKON CORP·Filed 2021·Granted Jun 10, 2025·0 cites·13 claims
- 1772US8035275B2Vibration actuator, lens barrel, camera system and vibrating elementNIKON CORP·Filed 2007·Granted Oct 11, 2011·6 cites·36 claims
- 1869US6104123AVibration actuator having a supporting member to support a vibration memberNIKON CORP·Filed 1998·Granted Aug 15, 2000·25 cites·22 claims
- 1965US7514845B2Vibrational actuator and method for driving vibrational actuatorNIKON CORP·Filed 2006·Granted Apr 7, 2009·5 cites·42 claims
- 2063US11594985B2Lens barrel and imaging deviceNIKON CORP·Filed 2021·Granted Feb 28, 2023·0 cites·9 claims
- 2163US2018164658A1Drive apparatus, drive method, and optical deviceNIKON CORP·Filed 2017·Application pending·0 cites
- 2262US9184677B2Driving device, lens barrel, and image capturing apparatusASHIZAWA TAKATOSHI·Filed 2011·Granted Nov 10, 2015·1 cites·10 claims
- 2362US8456772B2Piezoelectric actuator, lens barrel, and cameraASHIZAWA TAKATOSHI·Filed 2010·Granted Jun 4, 2013·1 cites·11 claims
- 2462US5760527AVibration actuator and method of controlNIKON CORP·Filed 1996·Granted Jun 2, 1998·20 cites·23 claims
- 2561US8786163B2Vibrational wave motor, lens barrel and cameraASHIZAWA TAKATOSHI·Filed 2011·Granted Jul 22, 2014·1 cites·10 claims
- 2661US8283837B2Piezoelectric actuator, piezoelectric actuator device, lens barrel, optical device and manufacturing method thereofASHIZAWA TAKATOSHI·Filed 2008·Granted Oct 9, 2012·3 cites·28 claims
- 2760US9869921B2Drive apparatus, drive method, and optical deviceNIPPON KOGAKU KK·Filed 2016·Granted Jan 16, 2018·0 cites·5 claims
- 2859US8035906B2Vibration actuator, lens barrel and cameraNIKON CORP·Filed 2007·Granted Oct 11, 2011·2 cites·9 claims
- 2959US5723935AVibration driven motorNIKON CORP·Filed 1996·Granted Mar 3, 1998·18 cites·20 claims
- 3055US9366940B2Drive apparatus, drive method, and optical deviceNIKON CORP·Filed 2013·Granted Jun 14, 2016·0 cites·5 claims
- 3155US8159763B2Vibrating element, vibration actuator, lens barrel, camera system and method for driving vibration actuatorASHIZAWA TAKATOSHI·Filed 2007·Granted Apr 17, 2012·1 cites·20 claims
- 3254US11043910B2Vibration wave motor and optical deviceNIKON CORP·Filed 2017·Granted Jun 22, 2021·0 cites·12 claims
- 3353US5854529AVibration actuatorNIKON CORP·Filed 1996·Granted Dec 29, 1998·15 cites·17 claims
- 3450US5869918AActuator which controls voltage level and voltage level increase time of an electromechanical converting element drive signalNIKON CORP·Filed 1997·Granted Feb 9, 1999·13 cites·21 claims
- 3548US5508581AUltrasonic motor with a stator and a mobile element made of improved materialsNIKON CORP·Filed 1994·Granted Apr 16, 1996·12 cites·20 claims
- 3646US2025138332A1Lens barrel and imaging apparatusNIKON CORP·Filed 2022·Application pending·0 cites
- 3745US8520329B2Piezoelectric actuator, lens barrel and optical deviceASHIZAWA TAKATOSHI·Filed 2009·Granted Aug 27, 2013·0 cites·12 claims
- 3845US5869917AVibration actuatorNIKON CORP·Filed 1996·Granted Feb 9, 1999·10 cites·18 claims
- 3944US8513857B2Vibrational wave motor, lens barrel and cameraASHIZAWA TAKATOSHI·Filed 2011·Granted Aug 20, 2013·0 cites·18 claims
- 4043US5939847ADrive control device for ultrasonic motorsNIKON CORP·Filed 1997·Granted Aug 17, 1999·9 cites·13 claims
- 4142US5763981AVibration actuatorNIKON CORP·Filed 1996·Granted Jun 9, 1998·9 cites·14 claims
- 4241US5424797AFlash lighting apparatusNIKON CORP·Filed 1993·Granted Jun 13, 1995·3 cites·8 claims
- 4338US5654604AVibration motor having improved adhesive layer between electromechanical conversion element and elastic bodyNIKON CORP·Filed 1996·Granted Aug 5, 1997·9 cites·13 claims
- 4433US5892316AVibration actuatorNIKON CORP·Filed 1997·Granted Apr 6, 1999·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →