P

Inventor

WATANABE YOSHIHIKO

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

CANON KK

9 patents
US5532990AJul 2, 1996

Optical information processing method and apparatus including measuring and correcting the offset of a tracking error signal from an output of a photodetector using a vibrating objective lens

CANON KK37 citations96
US5347503ASep 13, 1994

Optical information processing apparatus for correcting linearity of a photosensor output with respect to power of an emitted light beam

CANON KK54 citations96
US5517475AMay 14, 1996

Optical information processing apparatus in which the offset of a tracking error signal is corrected in accordance with a relationship stored in a memory, in response to a position detection output signal

CANON KK24 citations92
US5404346AApr 4, 1995

Optical information processing apparatus including a correction circuit for correcting non-linearity of an output of a position detection circuit

CANON KK31 citations92
US6344864B1Feb 5, 2002

Information processing apparatus and method, which performs processing on a transfer-source window when a file is moved or copied

CANON KK19 citations84
US7154616B2Dec 26, 2006

Application charging system, information processing apparatus, and control method therefor and memory medium storing program therefor

CANON KK17 citations80
US6996293B1Feb 7, 2006

Reduced image forming method and apparatus

CANON KK9 citations74
US5394387AFeb 28, 1995

Information recording/reproducing method

CANON KK4 citations63
US5287339AFeb 15, 1994

Optical information processing apparatus for holding a lens at a predetermined position along a tracking path at pulling-in of focusing control

CANON KK5 citations63

HITACHI KOKI KK

6 patents

YAZAKI CORP

6 patents

OLYMPUS CORP

5 patents

PIONEER ELECTRONIC CORP

5 patents

YOKOGAWA MEDICAL SYST

4 patents

HEISEI POLYMER KK

3 patents

TOYO SEIKAN KAISHA LTD

2 patents

NEC CORP

2 patents

TOYOTA MOTOR CO LTD

2 patents

KAO CORP

1 patent

DAINIPPON SCREEN MFG

1 patent

YOKOGAWA ELECTRIC CORP

1 patent

HONDA MOTOR CO LTD

1 patent

FUJI CAPSULE CO LTD

1 patent

USHIO ELECTRIC INC

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.