P

Inventor

FURUKAWA JUNICHI

JP62 patents
⚠️ This page may combine multiple inventors who share the name “FURUKAWA JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER ELECTRONIC CORP

13 patents
US6151154ANov 21, 2000

Optical pickup, aberration correction unit and astigmatism measurement method

PIONEER ELECTRONIC CORP61 citations96
US6137754AOct 24, 2000

Search method for information record medium

PIONEER ELECTRONIC CORP60 citations96
US6430130B1Aug 6, 2002

Servo control for correcting errors in tilt angle of optical beam

PIONEER ELECTRONIC CORP42 citations93
US5684771ANov 4, 1997

Optical recording medium discriminating apparatus

PIONEER ELECTRONIC CORP22 citations93
US5886496AMar 23, 1999

Tilt servo controlling apparatus

PIONEER ELECTRONIC CORP39 citations92
US5914923AJun 22, 1999

Tilt servo system

PIONEER ELECTRONIC CORP18 citations84
US6198465B1Mar 6, 2001

System for producing a liquid crystal driving signal

PIONEER ELECTRONIC CORP9 citations74
US6078556AJun 20, 2000

System for producing a liquid crystal driving signal

PIONEER ELECTRONIC CORP10 citations74
US5953292ASep 14, 1999

Rapid data reproduction method and apparatus for optical disk

PIONEER ELECTRONIC CORP4 citations63
US5796691AAug 18, 1998

Spindle servo system for adjusting rotational speed in optical disk player

PIONEER ELECTRONIC CORP5 citations63
US5721580AFeb 24, 1998

Laser diode driving apparatus in an optical information recording and reproducing apparatus

PIONEER ELECTRONIC CORP5 citations63
US5717672AFeb 10, 1998

Spindle servo apparatus for optical disk player

PIONEER ELECTRONIC CORP6 citations63
US6147951ANov 14, 2000

Recorded information reproduction method and recorded information reproduction apparatus with multiple reading elements

PIONEER ELECTRONIC CORP1 citations52

PIONEER CORP

9 patents

SONY CORP

7 patents

NISSAN MOTOR

3 patents

KONICA MINOLTA INC

3 patents

MORITA MFG

2 patents

SMC CORP

2 patents

CITIZEN WATCH CO LTD

2 patents

PIONEER COORPERATION

1 patent

IBM

1 patent

DAIHEN CORP

1 patent

DENSO CORP

1 patent

CATERPILLAR SARL

1 patent

PANASONIC CORP

1 patent

TAYANAKA HIROSHI

1 patent

MUTO HIDEYUKI

1 patent

KAO CORP

1 patent

Showing the top 50 of 62 patents by PatentIndex Score.