P

Inventor

WATANABE TSUNEO

JP54 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TSUNEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIKON CORP

23 patents
US6791770B2Sep 14, 2004

Lens barrel

NIKON CORP18 citations93
US6016405AJan 18, 2000

Camera system for reducing the influence of vibration generated by actuators

NIKON CORP9 citations74
US5751502AMay 12, 1998

Lens barrel with built-in ultrasonic motor

NIKON CORP12 citations74
US5552847ASep 3, 1996

Lens barrel

NIKON CORP11 citations74
US5530596AJun 25, 1996

Lens barrel for an automatic focusing system

NIKON CORP10 citations74
US5293208AMar 8, 1994

Camera and printing apparatus which can be used for trimming shots

NIKON CORP12 citations74
US5231444AJul 27, 1993

Camera system including rear conversion lens

NIKON CORP8 citations74
US5204577AApr 20, 1993

Ultrasonic motor improved in driving efficiency

NIKON CORP18 citations74
US4974001ANov 27, 1990

Diaphragm device

NIKON CORP8 citations73
US6094538AJul 25, 2000

Autofocus lens barrel

NIKON CORP14 citations72
US5572373ANov 5, 1996

Photographing lens switchable between manual-focus and auto-focus modes

NIKON CORP17 citations72
US5227829AJul 13, 1993

Photographing lens switchable between manual focus and auto focus modes

NIKON CORP13 citations72
US5446331AAug 29, 1995

Ultrasonic wave motor

NIKON CORP5 citations71
US5663842ASep 2, 1997

Surface wave motor built-in lens barrel

NIKON CORP8 citations66
US5539583AJul 23, 1996

Lens barrel with rotation amount detecting encoder and asssembling method thereof

NIKON CORP5 citations63
US5266989ANov 30, 1993

Camera which can be used for trimming shots

NIKON CORP3 citations63
US5900992AMay 4, 1999

Collapsible lens barrel

NIKON CORP6 citations62
US7663810B2Feb 16, 2010

Lens barrel and method for manufacturing the same

NIKON CORP5 citations60
US6748166B2Jun 8, 2004

Lens-barrel and camera system having the lens-barrel

NIKON CORP3 citations60
US12332499B2Jun 17, 2025

Lens barrel and imaging device

NIKON CORP0 citations59
US11982868B2May 14, 2024

Lens barrel and imaging device

NIKON CORP1 citations59
US5625247AApr 29, 1997

Vibration driven motor

NIKON CORP1 citations50
US11906716B2Feb 20, 2024

Zoom optical system, optical apparatus and method for manufacturing the zoom optical system

NIKON CORP0 citations48

NISSAN CHEMICAL IND LTD

5 patents

FUJI ELECTRIC CO LTD

4 patents

CHIYODA CHEM ENG CONSTRUCT CO

4 patents

NAT INST OF ADVANCED IND SCIEN

2 patents

TOSHIBA KK

2 patents

TOKYO KEIKI KK

1 patent

TOKYO SHIBAURA ELECTRIC CO

1 patent

MITSUBISHI METAL CORP

1 patent

TEIJIN LTD

1 patent

TOPY IND

1 patent

DENSO CORP

1 patent

ABE KISHIRO

1 patent

NISSAN CHEMICAL CORP

1 patent

CHIYODA CORP

1 patent

HAYASHI KEISHI

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.