Inventor

Kazuhiro Izukawa

Inventor

Yokohama, JP

Overview

1986–2015

Patent span

Electricity

Primary field (CPC H)

Patents· 38 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Nprimary

H02NElectric machines not otherwise provided for45%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them24%

G11BInformation storage based on relative movement between record carrier and transducer10%

G02BOptical elements, systems or apparatus6%

H03KPulse technique4%

H04NPictorial communication, e.g. television4%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors2%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers2%

Y10TTechnical subjects covered by former us classification2%

PatentTitleYear

9,002,193'Camera, lens unit, and image-pickup system'2015 7,671,917'Image taking apparatus, image taking system, and lens apparatus'2010 6,522,837'Image blur correcting system'2003 6,400,907'Camera and camera system for selectively supplying variable power to accessory mounted on camera main body based on communication between camera and accessory'2002 6,352,378'Accessory, apparatus to which the accessory is connected, accessory system, and lens adapter system composed of optical apparatus and a plurality of lens adapters'2002 6,100,654'Driving device for a vibration type motor'2000 6,049,677'Camera having magnetic signal reproducing circuit with adjustable gain amplifier'2000 6,041,189'Camera system, camera and camera-accessory'2000 5,952,766'Vibration wave motor'1999 5,892,317'Vibration wave motor'1999 5,754,904'Camera utilizing cartridge with movable light shield cover'1998 5,742,856'Camera having magnetic recording head'1998 5,671,455'Magnetic record camera'1997 5,614,969'Camera'1997 5,416,545'Magnetic recording-reproducing circuit in a camera'1995 5,416,546'Camera including demodulating processing circuit with time interval counting feature'1995 5,347,192'Vibration wave motor'1994 5,313,236'Demodulation processing circuit with time interval counting feature'1994 5,136,215'Driving circuit for vibration wave motor'1992 5,134,348'Vibration wave motor'1992 4,954,742'Vibratory-wave motor device'1990 4,954,741'Control circuit for a vibration wave motor'1990 4,926,084'Driving apparatus for a vibration wave motor'1990 4,810,923'Vibration wave motor'1989 4,788,468'Vibration wave motor'1988 4,783,676'Lens drive device for a camera'1988 4,763,776'Method and apparatus for transporting an article'1988 4,763,148'Vibration wave motor'1988 4,752,711'Vibration wave motor'1988 4,727,276'Driving circuit for vibration wave motor'1988 4,692,650'Vibration wave motor'1987 4,692,651'Vibration wave motor'1987 4,692,649'Driving circuit of a vibration wave motor'1987 4,678,956'Vibration wave motor'1987 4,657,360'Optical system for making an annular beam'1987 4,658,172'Drive circuit for a vibration wave motor'1987 4,587,452'Vibration wave motor having a vibrator of non-uniform elastic modulus'1986 4,580,073'Vibration wave motor with plural projection vibrator'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2015Patents assigned to CANON KK (38)· patent assignee history

1986–1999Based in Yokohama, JP· patent location history

1994–2002Based in Misato, JP· patent location history

1997–1998Based in Saitama, JP· patent location history

2002–2010Based in Tochigi, JP· patent location history

2003–2015Based in Utsunomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	38	1986–2015

Locations

Location	Patents	Span
Yokohama, JP	22	1986–1999
Misato, JP	9	1994–2002
Utsunomiya, JP	2	2003–2015
Tochigi, JP	2	2002–2010
Saitama, JP	2	1997–1998