P

Inventor

SUZUKI YOSHIO

JP235 patents
⚠️ This page may combine multiple inventors who share the name “SUZUKI YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

19 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
US7890467B2Feb 15, 2011

Method for verifying data consistency of backup system, program and storage medium

HITACHI LTD90 citations98
US7146357B2Dec 5, 2006

Database system, server, query posing method, and data updating method

HITACHI LTD78 citations98
US5555334ASep 10, 1996

Optical transmission and receiving module and optical communication system using the same

HITACHI LTD121 citations98
US6243288B1Jun 5, 2001

Giant magnetoresistive sensor, thin-film read/write head and magnetic recording apparatus using the sensor

HITACHI LTD138 citations97
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
US4945552AJul 31, 1990

Imaging system for obtaining X-ray energy subtraction images

HITACHI LTD77 citations96
US5963731AOct 5, 1999

Method of assisting execution of plural simulation programs for coupled simulation

HITACHI LTD72 citations94
US7860824B2Dec 28, 2010

System and method of disaster recovery

HITACHI LTD34 citations93
US5930220AJul 27, 1999

Tracking method for optical disk apparatus using diffraction light

HITACHI LTD22 citations93
US5592448AJan 7, 1997

Access control apparatus for optical disk according change of track pitch

HITACHI LTD26 citations93
US5062091AOct 29, 1991

Magneto-optical recording method and apparatus capable of overwriting data using a radiation beam

HITACHI LTD44 citations93
US7593974B2Sep 22, 2009

Method and database system for duplicating transactions between remote sites

HITACHI LTD24 citations92
US7117393B2Oct 3, 2006

Failover method in a redundant computer system with storage devices

HITACHI LTD38 citations92

CANON KK

10 patents

SONY CORP

8 patents

HONDA MOTOR CO LTD

3 patents

KOITO MFG CO LTD

2 patents

ASAHI CHEMICAL IND

2 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

TOSHIBA MACHINE CO LTD

1 patent

JAPAN NOVEL CORP

1 patent

NIPPON DENSO CO

1 patent

NIIGATA ENGINEERING CO LTD

1 patent

Showing the top 50 of 235 patents by PatentIndex Score.