P

Inventor

FUKUDA SHINICHI

JP70 patents
⚠️ This page may combine multiple inventors who share the name “FUKUDA SHINICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

36 patents
US6594740B1Jul 15, 2003

Recording/reproducing device and recording/reproducing method

SONY CORP112 citations98
US5861780AJan 19, 1999

Variable frequency ring oscillator and phase locked loop circuit to which the ring oscillator is adapted

SONY CORP65 citations96
US7299401B2Nov 20, 2007

Error correction code recording method and recording apparatus using the same

SONY CORP35 citations93
US6469239B1Oct 22, 2002

Data storage apparatus and data storage method with quality degrading features

SONY CORP41 citations93
US5844736ADec 1, 1998

Dual-mode digital signal recording and/or reproducing apparatus

SONY CORP25 citations93
US5428648AJun 27, 1995

Digital PLL circuit having signal edge position measurement

SONY CORP22 citations93
US4626826ADec 2, 1986

Method and apparatus for encoding and decoding an NRZI digital signal with low DC component and minimum low frequency components

SONY CORP32 citations93
US11271428B2Mar 8, 2022

Energy receiver, detection method, power transmission system, detection device, and energy transmitter

SONY CORP11 citations86
US9455593B2Sep 27, 2016

Electronic unit and feed system

SONY CORP5 citations84
US7813066B2Oct 12, 2010

Magnetic recording and reproduction method, recording apparatus, reproduction apparatus and magnetic recording medium

SONY CORP10 citations83
US7636219B2Dec 22, 2009

Magnetic recording and reproducing apparatus and magnetic recording and reproducing method

SONY CORP10 citations83
US6175461B1Jan 16, 2001

Rotary head block with rotary transformer having separate channels for power signal and playback signal

SONY CORP19 citations82
US6570079B2May 27, 2003

Recording and reproducing apparatus, recording and reproducing method, and data processing apparatus

SONY CORP7 citations74
US6278569B1Aug 21, 2001

Signal recording apparatus and method

SONY CORP7 citations74
US5644307AJul 1, 1997

Modulation method, recording method, reproducing method, recording and reproducing apparatus, recording and reproducing method, and reproducing apparatus

SONY CORP9 citations74
US4617552AOct 14, 1986

Method and apparatus for converting a digital data

SONY CORP11 citations74
US4598267AJul 1, 1986

Method and apparatus for converting a digital signal

SONY CORP19 citations74
US4577180AMar 18, 1986

Digital data converting method and apparatus thereof

SONY CORP13 citations74
US4523237AJun 11, 1985

Method and apparatus for recording and reproducing an analog signal

SONY CORP18 citations74
US10547213B2Jan 28, 2020

Electronic unit and feed system

SONY CORP2 citations73
US10003216B2Jun 19, 2018

Non-contact electric power feeding system, terminal device, non-contact electric power feeding device, and non-contact electric power feeding method

SONY CORP3 citations73
US9847814B2Dec 19, 2017

Electronic apparatus and transmission system

SONY CORP2 citations73
US9360508B2Jun 7, 2016

Detecting device, power receiving device, contactless power transmission system, and detecting method

SONY CORP3 citations73
US7180806B2Feb 20, 2007

Memory device, refresh control circuit to be used for the memory device, and refresh method

SONY CORP9 citations72
US10432322B2Oct 1, 2019

Transmission/reception device and transmission/reception method

SONY CORP1 citations63
US10027176B2Jul 17, 2018

Electronic unit and feed system

SONY CORP1 citations63
US9935504B2Apr 3, 2018

Detecting device, power receiving device, contactless power transmission system, and detecting method

SONY CORP1 citations63
US6515836B2Feb 4, 2003

Magneto-resistive effect type magnetic head and magnetic tape apparatus

SONY CORP5 citations63
US5313339AMay 17, 1994

Apparatus using a rotary head for recording digital video and audio signals at double speed

SONY CORP3 citations63
US5202801AApr 13, 1993

Integrated circuit for producing sensor detection signals in a recording/reproducing apparatus

SONY CORP5 citations63
US5065413ANov 12, 1991

Phase locked loop circuit

SONY CORP6 citations63
US11990771B2May 21, 2024

Detection apparatus, electric power receiving apparatus, electric power transmission apparatus, wireless electric power transmission system, and detection method

SONY CORP1 citations62
US11128177B2Sep 21, 2021

Electronic unit and feed system

SONY CORP0 citations62
US11011930B2May 18, 2021

Energy receiver, detection method, power transmission system, detection device, and energy transmitter

SONY CORP0 citations62
US9660699B2May 23, 2017

Detection apparatus, electric power receiving apparatus, electric power transmission apparatus, wireless electric power transmission system, and detection method

SONY CORP1 citations62
US10819150B2Oct 27, 2020

Non-contact electric power feeding system, terminal device, non-contact electric power feeding device, and non-contact electric power feeding method

SONY CORP0 citations52

NAKANO HIROAKI

3 patents

GOTO TETSURO

2 patents

SONY GROUP CORP

2 patents

NIPPON STEEL CORP

1 patent

MURAKAMI Tomomichi

1 patent

C/O SONY CORP

1 patent

MURAYAMA YUJI

1 patent

HITACHI SHIPBUILDING ENG CO

1 patent

KATO YOSHIHIRO

1 patent

SONY SEMICONDUCTOR SOLUTIONS CORP

1 patent

Showing the top 50 of 70 patents by PatentIndex Score.