P

Inventor

KUREBAYASHI MASAAKI

JP38 patents
⚠️ This page may combine multiple inventors who share the name “KUREBAYASHI MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

18 patents
US6483791B1Nov 19, 2002

Laser drive integrated circuit and optical disk apparatus using the same

HITACHI LTD52 citations96
US6552987B1Apr 22, 2003

Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation

HITACHI LTD25 citations93
US6687208B2Feb 3, 2004

Laser drive integrated circuit and optical disk apparatus using the same

HITACHI LTD24 citations92
US6674702B2Jan 6, 2004

Laser drive integrated circuit and optical disk apparatus using the same

HITACHI LTD18 citations92
US5541909AJul 30, 1996

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

HITACHI LTD27 citations92
US4799118AJan 17, 1989

Thin film magnetic head

HITACHI LTD36 citations91
US6636472B2Oct 21, 2003

Laser drive unit and information recording/reproducing apparatus

HITACHI LTD26 citations90
US6487154B1Nov 26, 2002

Laser drive unit and information recording/reproducing apparatus

HITACHI LTD32 citations90
US5539710AJul 23, 1996

Video optical disk system compatible with both read only and writable optical disks having the same recording format

HITACHI LTD24 citations90
US6200673B1Mar 13, 2001

Magneto-optical recording medium

HITACHI LTD15 citations84
US6169714B1Jan 2, 2001

Apparatus and method for recording/reproducing magneto-optical information

HITACHI LTD17 citations84
US7298681B2Nov 20, 2007

High-frequency superimposing method and optical disk apparatus using it

HITACHI LTD4 citations74
US5642345AJun 24, 1997

Recording/reproducing apparatus including frequency modulator for frequency-modulating digital-modulated signal and frequency demodulator for frequency-demodulating signal to obtain digital-modulated signal

HITACHI LTD7 citations73
US7573797B2Aug 11, 2009

High-frequency superimposing method and optical disk apparatus using it

HITACHI LTD2 citations63
US7570565B2Aug 4, 2009

High-frequency superimposing method and optical disk apparatus using it

HITACHI LTD0 citations52
US7570564B2Aug 4, 2009

High-frequency superimposing method and optical disk apparatus using it

HITACHI LTD0 citations52
US7304931B2Dec 4, 2007

Recording medium, optical disk apparatus and writing method

HITACHI LTD1 citations52
US6831885B2Dec 14, 2004

Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation

HITACHI LTD0 citations42

SONY CORP

11 patents

HITACHI LG DATA STORAGE INC

4 patents

NISHIMURA KOICHIRO

2 patents

HASEGAWA HIROYUKI

1 patent

FUJITA SHINJI

1 patent

KUREBAYASHI MASAAKI

1 patent