P

Inventor

OHNO TAKEHIDE

JP29 patents
⚠️ This page may combine multiple inventors who share the name “OHNO TAKEHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

15 patents
US6639744B2Oct 28, 2003

Objective lens actuating device

RICOH KK16 citations92
US6532118B2Mar 11, 2003

Objective lens actuating device

RICOH KK23 citations92
US5828634AOct 27, 1998

Optical disk tracking method and device for producing a tracking error signal and a track crossing signal

RICOH KK55 citations92
US5777960AJul 7, 1998

Optical head device including fixed and movable deflection means

RICOH KK35 citations92
US5303089AApr 12, 1994

Objective lens drive unit

RICOH KK26 citations92
US5140572AAug 18, 1992

Optical pickup device having fixed and movable optical systems

RICOH KK22 citations92
US5128806AJul 7, 1992

Apparatus for driving optical system

RICOH KK32 citations92
US7352679B2Apr 1, 2008

Pickup drive unit and information playback apparatus including the same

RICOH KK9 citations84
US7643750B2Jan 5, 2010

Photographing apparatus with image-blur suppression mechanism

RICOH KK11 citations83
US5351221ASep 27, 1994

Apparatus for applying bias magnetic field including a rotatable magnet and a plurality of coils for controlling the rotation of the magnet

RICOH KK12 citations74
US7296277B2Nov 13, 2007

Disk rotation device

RICOH KK7 citations73
US7187632B2Mar 6, 2007

Optical disk device and method of adjusting tilt control amount

RICOH KK7 citations72
US7307929B2Dec 11, 2007

Method and apparatus for tilt correction and optical disk recorder/player using tilt correction technique

RICOH KK6 citations63
US7327656B2Feb 5, 2008

Tilt correction method detecting tilt with same linear velocity as upon actually recording/reproducing at each radial position

RICOH KK3 citations61
US7116610B2Oct 3, 2006

Optical disk device and tilt correction method

RICOH KK5 citations61

OHNO TAKEHIDE

5 patents

RICOH CO LTD

3 patents

RICOH IMAGING CO LTD

2 patents

IRISAWA SHIGERU

1 patent

NAKAMURA KENTO

1 patent

TERAHARA DAISUKE

1 patent

MURAMATSU KOICHI

1 patent