Inventor
Tomoo Tanaka
Inventor
Kitanagoya, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys18%
H01TSpark gaps18%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
B23KSoldering or unsoldering5%
C07KPeptides5%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%
C21DModifying the physical structure of ferrous metals5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
PatentTitleYear
10,665,870Electrochemical reaction unit and fuel cell stack202010,361,440Electrochemical reaction unit having a single cell including a current collector having a protrusion coated with an electrically conductive coat in contact with a cathode via a bonding layer and fuel cell stack20199,768,588'Spark plug and manufacturing method therefor'20179,343,876'Spark plug'20168,979,582'Connector'20158,952,601'Spark plug'20158,878,424'Spark plug'20148,664,842'Spark plug'20148,618,725'Spark plug'20138,415,867'Spark plug'20138,410,673'Spark plug having a ground electrode of specific alloy composition to which a noble metal tip is joined'20138,344,604'Spark plug for internal combustion engine'20138,283,846'Spark plug containing specific ratio content'20128,106,572'Spark plug and process for producing the spark plug'20127,087,406'Human-derived bradeion proteins, DNA coding for the proteins, and uses thereof'20066,902,898'Human derived bradeion proteins, DNA coding for the proteins, and uses thereof'20056,423,504'Human-derived bradeion proteins, DNA coding for the proteins, and uses thereof'20025,906,897'Al metal joined body'19995,820,011'Ultrasonic tool horn'19984,744,824'Method of producing metallic materials for the components of nuclear reactors'19884,686,471'System for online-detection of the transformation value and/or flatness of steel or a magnetic material by detecting changes in induced voltages due to interlinked magnetic fluxes in detecting coils'19874,502,897'Method for producing hot-rolled steel sheets having a low yield ratio and a high tensile strength due to dual phase structure'19854,339,284'Method of producing non-ageing cold rolled steel sheets'19824,292,097'High tensile strength steel sheets having high press-formability and a process for producing the same'19814,025,368'Weldable steel excellent in the toughness of the bond in a single layer welding with a large heat-input'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1988Patents assigned to KAWASAKI STEEL CO (6)· patent assignee history
1977–1988Based in Chiba, JP· patent location history
1998–2019Patents assigned to NGK SPARK PLUG CO (14)· patent assignee history
1998–1999Based in Komaki, JP· patent location history
2002–2006Based in Kanagawa, JP· patent location history
2012–2017Patents assigned to TANAKA TOMOO (12)· patent assignee history
2012–2017Patents assigned to KUNO TAKEHITO (5)· patent assignee history
2012–2017Patents assigned to SHIBATA TSUTOMU (5)· patent assignee history
2012–2020Based in Kitanagoya, JP· patent location history
2015Based in Makinohara-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK SPARK PLUG CO | 14 | 1998–2019 |
| TANAKA TOMOOself | 12 | 2012–2017 |
| KAWASAKI STEEL CO | 6 | 1977–1988 |
| KUNO TAKEHITO | 5 | 2012–2017 |
| SHIBATA TSUTOMU | 5 | 2012–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitanagoya, JP | 12 | 2012–2020 |
| Chiba, JP | 5 | 1977–1988 |
| Kanagawa, JP | 3 | 2002–2006 |
| Komaki, JP | 2 | 1998–1999 |
| Makinohara-shi, JP | 1 | 2015 |