Inventor
ASHIZAWA TAKATOSHI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “ASHIZAWA TAKATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
30 patentsUS6242846B1Jun 5, 2001
Vibration actuator to control pitching vibration
NIKON CORP73 citations95
US6252332B1Jun 26, 2001
Ultrasonic motor
NIKON CORP33 citations93
US5821667AOct 13, 1998
Ultrasonic motor
NIKON CORP38 citations93
US5614970AMar 25, 1997
Flash lighting apparatus and a camera equipped with the flash lighting apparatus
NIKON CORP23 citations93
US6392328B1May 21, 2002
Vibration motor
NIKON CORP25 citations92
US6104123AAug 15, 2000
Vibration actuator having a supporting member to support a vibration member
NIKON CORP25 citations92
US5760527AJun 2, 1998
Vibration actuator and method of control
NIKON CORP20 citations92
US5672930ASep 30, 1997
Vibration motor
NIKON CORP40 citations92
US5723935AMar 3, 1998
Vibration driven motor
NIKON CORP18 citations84
US5939847AAug 17, 1999
Drive control device for ultrasonic motors
NIKON CORP9 citations74
US5869917AFeb 9, 1999
Vibration actuator
NIKON CORP10 citations74
US5869918AFeb 9, 1999
Actuator which controls voltage level and voltage level increase time of an electromechanical converting element drive signal
NIKON CORP13 citations74
US5854529ADec 29, 1998
Vibration actuator
NIKON CORP15 citations74
US5763981AJun 9, 1998
Vibration actuator
NIKON CORP9 citations74
US11522473B2Dec 6, 2022
Vibration wave motor and optical device
NIKON CORP2 citations73
US5508581AApr 16, 1996
Ultrasonic motor with a stator and a mobile element made of improved materials
NIKON CORP12 citations73
US10871700B2Dec 22, 2020
Drive apparatus, drive method, and optical device
NIKON CORP2 citations71
US5654604AAug 5, 1997
Vibration motor having improved adhesive layer between electromechanical conversion element and elastic body
NIKON CORP9 citations70
US8035276B2Oct 11, 2011
Vibration actuator, lens barrel and camera
NIKON CORP6 citations63
US8035906B2Oct 11, 2011
Vibration actuator, lens barrel and camera
NIKON CORP2 citations63
US8035275B2Oct 11, 2011
Vibration actuator, lens barrel, camera system and vibrating element
NIKON CORP6 citations63
US5892316AApr 6, 1999
Vibration actuator
NIKON CORP4 citations63
US5424797AJun 13, 1995
Flash lighting apparatus
NIKON CORP3 citations63
US12326612B2Jun 10, 2025
Vibrator and vibration wave motor
NIKON CORP0 citations62
US11757381B2Sep 12, 2023
Lens barrel and imaging device with element and elastic body for producing vibration wave
NIKON CORP0 citations62
US7514845B2Apr 7, 2009
Vibrational actuator and method for driving vibrational actuator
NIKON CORP5 citations59
US11594985B2Feb 28, 2023
Lens barrel and imaging device
NIKON CORP0 citations58
US11043910B2Jun 22, 2021
Vibration wave motor and optical device
NIKON CORP0 citations58
US9366940B2Jun 14, 2016
Drive apparatus, drive method, and optical device
NIKON CORP0 citations51
US12566309B2Mar 3, 2026
Lens barrel and imaging device
NIKON CORP0 citations47
ASHIZAWA TAKATOSHI
8 patentsUS8824071B2Sep 2, 2014
Lens barrel and camera
ASHIZAWA TAKATOSHI3 citations62
US8283837B2Oct 9, 2012
Piezoelectric actuator, piezoelectric actuator device, lens barrel, optical device and manufacturing method thereof
ASHIZAWA TAKATOSHI3 citations62
US8786163B2Jul 22, 2014
Vibrational wave motor, lens barrel and camera
ASHIZAWA TAKATOSHI1 citations51
US8456772B2Jun 4, 2013
Piezoelectric actuator, lens barrel, and camera
ASHIZAWA TAKATOSHI1 citations51
US8159763B2Apr 17, 2012
Vibrating element, vibration actuator, lens barrel, camera system and method for driving vibration actuator
ASHIZAWA TAKATOSHI1 citations51
US9184677B2Nov 10, 2015
Driving device, lens barrel, and image capturing apparatus
ASHIZAWA TAKATOSHI1 citations49
US8520329B2Aug 27, 2013
Piezoelectric actuator, lens barrel and optical device
ASHIZAWA TAKATOSHI0 citations41
US8513857B2Aug 20, 2013
Vibrational wave motor, lens barrel and camera
ASHIZAWA TAKATOSHI0 citations39