P

Inventor

INOUE MASAYUKI

JP169 patents
⚠️ This page may combine multiple inventors who share the name “INOUE MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

29 patents
US6345263B1Feb 5, 2002

Electronic purse application system and method thereof

HITACHI LTD112 citations98
US5992738ANov 30, 1999

IC card automated transaction terminal and IC card used therein

HITACHI LTD110 citations98
US5555334ASep 10, 1996

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

HITACHI LTD121 citations98
US6400664B1Jun 4, 2002

Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams

HITACHI LTD48 citations96
US5838059ANov 17, 1998

Multichip IC card and IC card system using it

HITACHI LTD56 citations96
US5699360ADec 16, 1997

Method of and system for distributing digital audio image data

HITACHI LTD61 citations96
US6484946B2Nov 26, 2002

IC card information display device and IC card for use therewith

HITACHI LTD76 citations95
US6367696B1Apr 9, 2002

IC card processing device, automatic vending device, and selling method

HITACHI LTD77 citations95
US5889748AMar 30, 1999

Object lens and optical head for reproducing data from optical disks in different thickness of substrate

HITACHI LTD81 citations95
US5991747ANov 23, 1999

Electronic purse loan system

HITACHI LTD47 citations94
US6634549B1Oct 21, 2003

IC card automated transaction terminal and IC used therein

HITACHI LTD21 citations93
US6189782B1Feb 20, 2001

Electronic purse

HITACHI LTD15 citations93
US6125087ASep 26, 2000

Optical pickup for optical disk apparatus

HITACHI LTD50 citations93
US5930220AJul 27, 1999

Tracking method for optical disk apparatus using diffraction light

HITACHI LTD22 citations93
US5278813AJan 11, 1994

Optical recording/reproducing apparatus with light beam deflection means including wedge-shaped prism

HITACHI LTD22 citations93
US4768183AAug 30, 1988

Optical reproducing apparatus

HITACHI LTD31 citations93
US7327661B2Feb 5, 2008

Optical pickup and optical information recording apparatus using the same

HITACHI LTD14 citations92
US6567355B2May 20, 2003

Optical detector, optical pickup and optical information reproducing apparatus using optical pickup

HITACHI LTD31 citations92
US6507009B1Jan 14, 2003

Optical detector, signal processing circuit and optical information reproduction apparatus thereof

HITACHI LTD27 citations92
US6425522B1Jul 30, 2002

IC card information processing system, and apparatus and cards for the same

HITACHI LTD34 citations92
US6359699B1Mar 19, 2002

IC card processing system and processing method

HITACHI LTD41 citations92
US6199755B1Mar 13, 2001

Machine data acquistion system and method

HITACHI LTD28 citations92
US5859822AJan 12, 1999

Optical disc player capable of reproducing a plurality of different types of optical discs

HITACHI LTD29 citations92
US5751680AMay 12, 1998

Optical disk drive

HITACHI LTD28 citations92
US5541909AJul 30, 1996

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

HITACHI LTD27 citations92
US5493554AFeb 20, 1996

2-laser optical head and recording/reproducing apparatus

HITACHI LTD33 citations92
US5404344AApr 4, 1995

Recording/reproducing optical head producing focusing error signal from zero-th order diffracted light and tracking error signal from first order diffracted light

HITACHI LTD23 citations92
US5295125AMar 15, 1994

Optical head device for recording/reproduction for recording medium using plural light spots

HITACHI LTD48 citations92
US4783776ANov 8, 1988

Method of recording and reproducing digital information and apparatus therefor

HITACHI LTD30 citations92

NIHON KOHDEN CORP

4 patents

NISSAN MOTOR

4 patents

OJI YUKA GOSEISHI KK

2 patents

BEPEX CORP

2 patents

SHARP KK

2 patents

SUMITOMO ELECTRIC INDUSTRIES

1 patent

NISHIMURA KOICHIRO

1 patent

KOWA CO

1 patent

SEGA ENTERPRISES KK

1 patent

KIKUCHI CO LTD

1 patent

NTT INNOVATION INST INC

1 patent

BERWIND CORP

1 patent

Showing the top 50 of 169 patents by PatentIndex Score.