Inventor

Takio Kojima

Inventor

Aichi, JP

Overview

25→

Patents

1987–2014

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Fprimary

G01FMeasuring volume, volume flow, mass flow or liquid level14%

G01NInvestigating or analysing materials by determining their chemical or physical properties12%

F02FCylinders, pistons or casings, for combustion engines10%

Y10TTechnical subjects covered by former us classification10%

F02BInternal-combustion piston engines6%

F16JPistons6%

C04BLime, magnesia4%

F01LCyclically operating valves for machines or engines4%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines4%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%

PatentTitleYear

8,754,728'Relay'2014 8,674,796'Relay'2014 8,410,801'Pressure detection apparatus'2013 8,393,196'Gas sensor'2013 8,382,973'Method and apparatus for controlling multi-gas sensor'2013 8,272,256'Pressure sensor'2012 7,993,506'Gas sensor'2011 7,712,349'Gas sensor'2010 7,487,675'Micro-heater and sensor'2009 7,412,871'Oxidizing gas sensor and production method thereof'2008 7,276,745'Gas sensor'2007 6,805,003'Mass flow sensor and mass flowmeter comprising the same'2004 6,647,776'Split-flow flowmeter with a profusion facing the detection element'2003 6,578,414'Split-flow-type flowmeter'2003 6,526,822'Flow rate and flow velocity measurement device'2003 6,474,177'Flow measurement device for measuring flow rate and flow velocity'2002 6,474,154'Flow measurement device for measuring flow rate and flow velocity'2002 5,114,262'Hollow ceramic piston pin'1992 4,984,927'Ceramic and metal joining structure'1991 4,881,500'Poppet valve made of ceramics'1989 4,803,766'Mounting of ceramic tip on metal rocker arm'1989 4,796,517'Metal piston and ceramic piston pin assembly'1989 4,785,720'Lubrication mechanism for piston pin and snap ring'1988 4,704,998'Mounting structure for ceramic sub-combustion chambers'1987 4,691,673'Ceramic auxiliary combustion chamber'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2014Patents assigned to NGK SPARK PLUG CO (24)· patent assignee history

1987–2013Based in Aichi, JP· patent location history

1989–2009Based in Nagoya, JP· patent location history

2007–2014Based in Ichinomiya, JP· patent location history

2012–2014Patents assigned to KOJIMA TAKIO (6)· patent assignee history

2012–2013Patents assigned to TSUJIMURA YOSHINORI (3)· patent assignee history

2012–2013Patents assigned to HIGUCHI YUZO (2)· patent assignee history

2014Patents assigned to HATTORI YOUICHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NGK SPARK PLUG CO	24	1987–2014
KOJIMA TAKIOself	6	2012–2014
TSUJIMURA YOSHINORI	3	2012–2013
HATTORI YOUICHI	2	2014
HIGUCHI YUZO	2	2012–2013

Locations

Location	Patents	Span
Aichi, JP	15	1987–2013
Ichinomiya, JP	7	2007–2014
Nagoya, JP	3	1989–2009