Inventor
Takatoshi Ashizawa
Inventor
Yokohama, JP
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Nprimary
H02NElectric machines not otherwise provided for46%
G02BOptical elements, systems or apparatus22%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
H10NElectric solid-state devices not otherwise provided for9%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general4%
H04NPictorial communication, e.g. television3%
Y10TTechnical subjects covered by former us classification1%
PatentTitleYear
11,043,910Vibration wave motor and optical device202110,871,700Drive apparatus, drive method, and optical device20209,869,921'Drive apparatus, drive method, and optical device'20189,366,940'Drive apparatus, drive method, and optical device'20169,184,677'Driving device, lens barrel, and image capturing apparatus'20158,824,071'Lens barrel and camera'20148,786,163'Vibrational wave motor, lens barrel and camera'20148,520,329'Piezoelectric actuator, lens barrel and optical device'20138,513,857'Vibrational wave motor, lens barrel and camera'20138,456,772'Piezoelectric actuator, lens barrel, and camera'20138,283,837'Piezoelectric actuator, piezoelectric actuator device, lens barrel, optical device and manufacturing method thereof'20128,159,763'Vibrating element, vibration actuator, lens barrel, camera system and method for driving vibration actuator'20128,035,275'Vibration actuator, lens barrel, camera system and vibrating element'20118,035,906'Vibration actuator, lens barrel and camera'20118,035,276'Vibration actuator, lens barrel and camera'20117,514,845'Vibrational actuator and method for driving vibrational actuator'20096,392,328'Vibration motor'20026,252,332'Ultrasonic motor'20016,242,846'Vibration actuator to control pitching vibration'20016,104,123'Vibration actuator having a supporting member to support a vibration member'20005,939,847'Drive control device for ultrasonic motors'19995,892,316'Vibration actuator'19995,869,918'Actuator which controls voltage level and voltage level increase time of an electromechanical converting element drive signal'19995,869,917'Vibration actuator'19995,854,529'Vibration actuator'19985,821,667'Ultrasonic motor'19985,763,981'Vibration actuator'19985,760,527'Vibration actuator and method of control'19985,723,935'Vibration driven motor'19985,672,930'Vibration motor'19975,654,604'Vibration motor having improved adhesive layer between electromechanical conversion element and elastic body'19975,614,970'Flash lighting apparatus and a camera equipped with the flash lighting apparatus'19975,508,581'Ultrasonic motor with a stator and a mobile element made of improved materials'19965,424,797'Flash lighting apparatus'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2021Patents assigned to NIKON CORP (33)· patent assignee history
1995–2001Based in Kawasaki, JP· patent location history
2000–2021Based in Yokohama, JP· patent location history
2012–2015Patents assigned to ASHIZAWA TAKATOSHI (8)· patent assignee history
2013Patents assigned to MORIOKE TOSHIKAZU (1)· patent assignee history
2015Patents assigned to KIMURA MASAMITSU (1)· patent assignee history
2015Patents assigned to KUWANO KUNIHIRO (1)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIKON CORP | 33 | 1995–2021 |
| ASHIZAWA TAKATOSHIself | 8 | 2012–2015 |
| KIMURA MASAMITSU | 1 | 2015 |
| KUWANO KUNIHIRO | 1 | 2015 |
| MORIOKE TOSHIKAZU | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 16 | 2000–2021 |
| Kawasaki, JP | 15 | 1995–2001 |
| Tokyo, JP | 3 | 2016–2020 |