P

Inventor

IKEDA TORU

JP115 patents
⚠️ This page may combine multiple inventors who share the name “IKEDA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

24 patents
US6067284AMay 23, 2000

Recording power adjustment for optical storage apparatus

FUJITSU LTD48 citations93
US5970032AOct 19, 1999

Focus control method, and optical disk unit with focus offset correction

FUJITSU LTD34 citations93
US5870356AFeb 9, 1999

Optical storage apparatus which detects a lens position signal without a lens position sensor

FUJITSU LTD37 citations93
US5768229AJun 16, 1998

Optical storage apparatus with track seeking control system

FUJITSU LTD23 citations93
US5715218AFeb 3, 1998

Pickup control method and apparatus, and disk unit with gain control during power save mode

FUJITSU LTD29 citations93
US5351222ASep 27, 1994

Disk storage apparatus including a single power supply hysteresis comparator having a symmetrical characteristic

FUJITSU LTD36 citations93
US6249496B1Jun 19, 2001

Optical storage apparatus

FUJITSU LTD23 citations92
US6370094B1Apr 9, 2002

Optical storage apparatus

FUJITSU LTD29 citations89
US6118739ASep 12, 2000

Optical storage apparatus

FUJITSU LTD42 citations89
US6633523B1Oct 14, 2003

Optical memory apparatus and focus servo control method

FUJITSU LTD15 citations84
US6040674AMar 21, 2000

Motor driving device, method of adjusting the same, and information storage device

FUJITSU LTD17 citations81
US7095690B2Aug 22, 2006

Write and/or erase method and storage apparatus

FUJITSU LTD7 citations74
US6985419B2Jan 10, 2006

Tracking control method and storage apparatus

FUJITSU LTD10 citations74
US6804183B2Oct 12, 2004

Rotation control method for controlling rotation of media having zones in radial direction and employing ZCAV system, and storage apparatus using the rotation control method

FUJITSU LTD10 citations74
US6628575B1Sep 30, 2003

Track jump method for ZCAV system and storage apparatus employing ZCAV system

FUJITSU LTD12 citations74
US6522606B1Feb 18, 2003

Optical pickup servo control apparatus with stored compensatory values

FUJITSU LTD7 citations74
US6324128B1Nov 27, 2001

Optical storage apparatus and recording and reproducing method of optical storage medium

FUJITSU LTD7 citations74
US5917789AJun 29, 1999

Method and device for detecting an amount of actuator offset for an optical disk device

FUJITSU LTD7 citations74
US5495458AFeb 27, 1996

Optical disk apparatus for detecting error readings of a track address in MCAV format

FUJITSU LTD6 citations74
US5357496AOct 18, 1994

Optical disk drive focus servo control system with focus servo being turned off or having gain reduced after tracking servo has been off a predetermined time period

FUJITSU LTD11 citations74
US6452879B1Sep 17, 2002

Optical storage apparatus

FUJITSU LTD10 citations72
US6292444B1Sep 18, 2001

Optical storage device made thinner by substituting electrical means for capabilities of sensors

FUJITSU LTD6 citations72
US5978330ANov 2, 1999

Optical storage device made thinner by substituting electrical means for capabilities of sensors

FUJITSU LTD4 citations72
US6633521B1Oct 14, 2003

Storage apparatus and servo recovery method of it

FUJITSU LTD10 citations71

AJINOMOTO KK

8 patents

HONDA MOTOR CO LTD

7 patents

CANON KK

4 patents

AGC INC

3 patents

HORIBA STEC CO LTD

1 patent

YAZAKI CORP

1 patent

DENSO CORP

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

Showing the top 50 of 115 patents by PatentIndex Score.