P

Inventor

SUZUKI MOTOYUKI

JP187 patents
⚠️ This page may combine multiple inventors who share the name “SUZUKI MOTOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

22 patents
US6549497B2Apr 15, 2003

Optical reproducing method

HITACHI LTD244 citations99
US5936933AAug 10, 1999

Information recording medium and method and apparatus for recording and reproducing information using the same

HITACHI LTD105 citations99
US6219331B1Apr 17, 2001

Information recording medium with tracks having a groove structure having a fixed cycle of wobble

HITACHI LTD37 citations97
US5930228AJul 27, 1999

Method and apparatus for recording and reproducing information using pseudo identification signal

HITACHI LTD53 citations97
US6545960B2Apr 8, 2003

Information recording medium and method and apparatus for recording and reproducing information using the same

HITACHI LTD15 citations96
US6542458B2Apr 1, 2003

Information recording medium having wobbled groves

HITACHI LTD21 citations96
US6388987B2May 14, 2002

Information recording medium having wobbled groove structure and plural zones

HITACHI LTD24 citations96
US7392402B2Jun 24, 2008

Method and apparatus for data integration security

HITACHI LTD28 citations93
US5592448AJan 7, 1997

Access control apparatus for optical disk according change of track pitch

HITACHI LTD26 citations93
US5541909AJul 30, 1996

Optical disc with phase pits and a reproducing apparatus for data recorded on the optical disc

HITACHI LTD27 citations92
US4541084ASep 10, 1985

Focus servo system having object lens protection circuit for an optical disc player

HITACHI LTD35 citations92
US6728176B2Apr 27, 2004

Information recording method

HITACHI LTD6 citations82
US6552978B2Apr 22, 2003

Information recording apparatus

HITACHI LTD8 citations82
US6545961B2Apr 8, 2003

Optical reproducing method

HITACHI LTD7 citations82
US6545962B2Apr 8, 2003

Optical reproducing method for reproducing information on an optical medium having groove structure with fixed cycle of wobble

HITACHI LTD6 citations82
US6490233B2Dec 3, 2002

Optical reproducing method

HITACHI LTD9 citations82
US7092330B2Aug 15, 2006

Information recording method

HITACHI LTD4 citations74
US7085202B2Aug 1, 2006

Information recording method

HITACHI LTD4 citations74
US6996036B2Feb 7, 2006

Information recording method

HITACHI LTD1 citations74
US6665244B2Dec 16, 2003

Optical reproducing method

HITACHI LTD4 citations74
US6580686B2Jun 17, 2003

Information recording medium recording data on wobbled groove structure of recording medium

HITACHI LTD1 citations74
US6542448B2Apr 1, 2003

Information recording apparatus for recording information on an optical medium having a groove structure with a fixed cycle of wobble

HITACHI LTD4 citations74

TORAY INDUSTRIES

5 patents

ALPS ELECTRIC CO LTD

4 patents

MAXELL LTD

4 patents

TOSHIBA KK

2 patents

NISSAN MOTOR

2 patents

SONY CORP

1 patent

SHIMIZU HIROSHI

1 patent

MITSUBISHI MOTORS CORP

1 patent

SEIKOSHA KK

1 patent

TOSHIBA CONSUMER MARKETING

1 patent

HITACHI VIDEO ENG

1 patent

KURARAY CO

1 patent

FUJI POLYMER IND

1 patent

HITACHI MAXELL

1 patent

MIZUKAWA KK

1 patent

FUJISAWA KATSUYA

1 patent

Showing the top 50 of 187 patents by PatentIndex Score.