P

Inventor

SHIBATA TSUTOMU

JP51 patents
⚠️ This page may combine multiple inventors who share the name “SHIBATA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

11 patents
US6680561B2Jan 20, 2004

Spark plug

NGK SPARK PLUG CO21 citations93
US7388323B2Jun 17, 2008

Spark plug

NGK SPARK PLUG CO10 citations84
US10033163B1Jul 24, 2018

Spark plug

NGK SPARK PLUG CO8 citations83
US9853423B1Dec 26, 2017

Spark plug

NGK SPARK PLUG CO11 citations81
US9705292B2Jul 11, 2017

Spark plug and method for producing the same

NGK SPARK PLUG CO3 citations72
US7626320B2Dec 1, 2009

Spark plug with excellent impact resistance conductive seal, and method for producing the same

NGK SPARK PLUG CO5 citations63
US7402941B2Jul 22, 2008

Spark plug

NGK SPARK PLUG CO3 citations63
US7365480B2Apr 29, 2008

Spark plug

NGK SPARK PLUG CO6 citations63
US10312669B2Jun 4, 2019

Spark plug

NGK SPARK PLUG CO1 citations62
US9887519B1Feb 6, 2018

Spark plug

NGK SPARK PLUG CO0 citations51
US9948068B2Apr 17, 2018

Spark plug

NGK SPARK PLUG CO0 citations41

TANIZAWA YOSHIMICHI

7 patents
US8307200B2Nov 6, 2012

Apparatus, method and computer program product for authenticating communication terminal

TANIZAWA YOSHIMICHI6 citations73
US9065684B2Jun 23, 2015

IP phone terminal, server, authenticating apparatus, communication system, communication method, and recording medium

TANIZAWA YOSHIMICHI3 citations62
US8583794B2Nov 12, 2013

Apparatus, method, and computer program product for registering user address information

TANIZAWA YOSHIMICHI2 citations62
US9191406B2Nov 17, 2015

Message relaying apparatus, communication establishing method, and computer program product

TANIZAWA YOSHIMICHI0 citations41
US8861380B2Oct 14, 2014

Terminal, method, and computer program product for registering user address information

TANIZAWA YOSHIMICHI0 citations41
US8601568B2Dec 3, 2013

Communication system for authenticating or relaying network access, relaying apparatus, authentication apparatus, and communication method

TANIZAWA YOSHIMICHI0 citations41
US8140844B2Mar 20, 2012

Server apparatus, terminal device, and method for performing IP multicast communication

TANIZAWA YOSHIMICHI0 citations41

SHIBATA TSUTOMU

5 patents
US8217563B2Jul 10, 2012

Spark plug for internal combustion engine and method of manufacturing the same

SHIBATA TSUTOMU2 citations60
US8092269B2Jan 10, 2012

Method of manufacturing spark plug

SHIBATA TSUTOMU2 citations60
US8866370B2Oct 21, 2014

Spark plug

SHIBATA TSUTOMU0 citations49
US8492962B2Jul 23, 2013

Spark plug for internal combustion engine

SHIBATA TSUTOMU0 citations49
US8283846B2Oct 9, 2012

Spark plug containing specific ratio content

SHIBATA TSUTOMU0 citations46

OLYMPUS OPTICAL CO

4 patents
US4467462AAug 21, 1984

Signal detection system for use in an optically reproducing apparatus

OLYMPUS OPTICAL CO46 citations92
US4372504AFeb 8, 1983

Magnetic record tape protective device for a tape cassette

OLYMPUS OPTICAL CO24 citations82
US4355750AOct 26, 1982

Double-capstan tape driving device

OLYMPUS OPTICAL CO4 citations63
US4352473AOct 5, 1982

Tape cassette

OLYMPUS OPTICAL CO6 citations63

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

3 patents
US4090243AMay 16, 1978

Color separating method and apparatus using statistical techniques

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations91
US4180330ADec 25, 1979

Method of and a system for color separation

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations70
US4020502AApr 26, 1977

Method and apparatus for separating, combining and rearranging colored images

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations61

G C DENTAL IND CORP

3 patents
US5298200AMar 29, 1994

Dental refractory model materials

G C DENTAL IND CORP13 citations71
US7974721B2Jul 5, 2011

Fabrication aiding apparatus

G C DENTAL IND CORP4 citations62
US8350842B2Jan 8, 2013

Fabrication aiding apparatus

G C DENTAL IND CORP1 citations51

NSK LTD

3 patents
US11465672B2Oct 11, 2022

Steering device

NSK LTD0 citations62
US11104377B1Aug 31, 2021

Electric power steering control device

NSK LTD0 citations43
US11084525B2Aug 10, 2021

Electric power steering control device

NSK LTD0 citations43

SUMOYAMA DAISUKE

2 patents
US8878424B2Nov 4, 2014

Spark plug

SUMOYAMA DAISUKE1 citations49
US8618725B2Dec 31, 2013

Spark plug

SUMOYAMA DAISUKE0 citations49

TANAKA TOMO-O

2 patents
US8853928B2Oct 7, 2014

Spark plug electrode, method for producing same, spark plug, and method for producing spark plug

TANAKA TOMO-O0 citations43
US8729783B2May 20, 2014

Spark plug electrode, method for producing same, spark plug, and method for producing spark plug

TANAKA TOMO-O0 citations43

TTI ELLEBEAU INC

1 patent
US7437189B2Oct 14, 2008

Iontophoresis device

TTI ELLEBEAU INC69 citations95

OH YOH KEISOKU KENKYUSHO KK

1 patent
US5111410AMay 5, 1992

Motion analyzing/advising system

OH YOH KEISOKU KENKYUSHO KK371 citations94

(unassigned)

1 patent
US5743050AApr 28, 1998

Training room serving also as bed room

25 citations92

JAPAN TOBACCO INC

1 patent
US6204277B1Mar 20, 2001

Propionic acid derivatives and applications thereof

JAPAN TOBACCO INC9 citations68

SUZUKI AKIRA

1 patent
US8299694B2Oct 30, 2012

Spark plug having improved adhesion between resistor and glass sealing layer

SUZUKI AKIRA2 citations63

TOSHIBA KK

1 patent
US7984159B2Jul 19, 2011

Apparatus, method, and terminal apparatus for maintaining connection

TOSHIBA KK4 citations63

MAZDA MOTOR

1 patent
US12128753B2Oct 29, 2024

Lower structure for hybrid automobile

MAZDA MOTOR0 citations52

YOSHIDA HARUKI

1 patent
US8294345B2Oct 23, 2012

Spark plug and resistor composition

YOSHIDA HARUKI0 citations51

TANAKA TOMOO

1 patent
US8664842B2Mar 4, 2014

Spark plug

TANAKA TOMOO0 citations49

KIKAI TAKAAKI

1 patent
US9768588B2Sep 19, 2017

Spark plug and manufacturing method therefor

KIKAI TAKAAKI0 citations44

Showing the top 50 of 51 patents by PatentIndex Score.