P

Inventor

KAWAI TOHRU

JP45 patents
⚠️ This page may combine multiple inventors who share the name “KAWAI TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

28 patents
US4596454AJun 24, 1986

Photographic lens barrel assembly

CANON KK61 citations96
US4484099ANov 20, 1984

Piezoelectric vibration wave motor with multiple traveling wave generating members

CANON KK55 citations96
US5335115AAug 2, 1994

Lens barrel

CANON KK29 citations92
US4771203ASep 13, 1988

Vibration wave motor

CANON KK41 citations92
US4697891AOct 6, 1987

Focal length variable lens apparatus

CANON KK48 citations92
US4478491AOct 23, 1984

Focus presetting mechanism for a camera lens assembly

CANON KK29 citations92
US4460253AJul 17, 1984

Electromagnetically driven diaphragm device

CANON KK35 citations92
US7385632B2Jun 10, 2008

Lens, camera body and camera system

CANON KK16 citations84
US5099166AMar 24, 1992

Vibration wave driven motor

CANON KK20 citations82
US4774538ASep 27, 1988

Focus control method and camera

CANON KK21 citations82
US4458990AJul 10, 1984

Adjusting mechanism for lens mounting assembly

CANON KK23 citations82
US4384767AMay 24, 1983

Clamping device for camera accessory or hood

CANON KK20 citations82
US4367931AJan 11, 1983

Electromagnetically driven diaphragm device

CANON KK19 citations82
US7688353B2Mar 30, 2010

Image-taking apparatus and image-taking method

CANON KK8 citations81
US6154613ANov 28, 2000

Diaphragm device having full-open aperture diameter electrically varied according to zooming

CANON KK7 citations74
US6008958ADec 28, 1999

Driving device for optical member and optical apparatus

CANON KK12 citations74
US4963000AOct 16, 1990

Lens barrel

CANON KK19 citations74
US4743791AMay 10, 1988

Vibration wave motor

CANON KK16 citations74
US4609260ASep 2, 1986

Automatic focusing apparatus for zoom lens

CANON KK15 citations74
US4589753AMay 20, 1986

Lens mounting having a reversible motor for controlling focusing and aperture setting of a camera

CANON KK8 citations74
US4536057AAug 20, 1985

Filter mounting mechanism for an optical assembly

CANON KK17 citations74
US4514039AApr 30, 1985

Lens mounting

CANON KK14 citations74
US4422740ADec 27, 1983

Lens assembly provided with an automatic focusing device

CANON KK9 citations74
US7515199B2Apr 7, 2009

Detachable lens apparatus, camera system and camera for accurate automatic focusing using two driving mechanisms

CANON KK5 citations63
US4459001AJul 10, 1984

Automatic focusing system with interrupt function

CANON KK2 citations63
US4320951AMar 23, 1982

Extension tube for camera

CANON KK6 citations63
US7675567B2Mar 9, 2010

Camera, camera system, and lens apparatus

CANON KK0 citations42
US4720169AJan 19, 1988

Lens for macro-photography

CANON KK0 citations42

RENESAS ELECTRONICS CORP

14 patents

SONY CORP

1 patent

KAWASAKI STEEL CO

1 patent

SHIMIZU CONSTRUCTION CO LTD

1 patent