P

Inventor

OGAWA YOUICHI

JP10 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA YOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER ELECTRONIC CORP

4 patents
US4701902AOct 20, 1987

Automatic loading disc player

PIONEER ELECTRONIC CORP20 citations81
US4540897ASep 10, 1985

Digital modulation signal reading device

PIONEER ELECTRONIC CORP25 citations81
US4879705ANov 7, 1989

Automatic loading disc player

PIONEER ELECTRONIC CORP15 citations73
US4829502AMay 9, 1989

Automatic loading disc player

PIONEER ELECTRONIC CORP12 citations73

HITACHI MAXELL

1 patent
US5068144ANov 26, 1991

Perpendicular magnetic recording medium and method for producing the same

HITACHI MAXELL3 citations58

OGAWA YOUICHI

1 patent
US8416940B2Apr 9, 2013

Subscriber accommodating apparatus, transfer control method, communication system, and program product

OGAWA YOUICHI2 citations54

KONICA MINOLTA INC

1 patent
US11252377B2Feb 15, 2022

Camera device, gas leakage check system, gas leakage check method, and gas leakage check program

KONICA MINOLTA INC0 citations50

KONICA MINOLTA OPTO INC

1 patent
US7986604B2Jul 26, 2011

Optical element and optical pickup device

KONICA MINOLTA OPTO INC0 citations39

OGURA KAZUYUKI

1 patent
US8665425B2Mar 4, 2014

Eccentricity measuring method

OGURA KAZUYUKI0 citations36

SAKATA TADAFUMI

1 patent
US9156196B2Oct 13, 2015

Method of manufacturing optical elements

SAKATA TADAFUMI0 citations31