Inventor

Takumi Matsumoto

Inventor

Tsukubamirai, JP

Overview

1993–2021

Patent span

LOC

Primary field

Patents· 74 as inventor

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

LOC23primary

LOC2336%

F16KValves15%

Y10TTechnical subjects covered by former us classification10%

F15BSystems acting by means of fluids in general9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

F16DCouplings for transmitting rotation3%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

C10MLubricating compositions2%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions2%

H01FMagnets2%

PatentTitleYear

10,959,656Method for sampling cerebral insular cortex activity2021 10,889,776Refrigerating machine oil, and composition for refrigerating machine2021 10,483,738Electrical connection box and wire harness2019 8,037,901'Solenoid valve having a hollow cap mounted on a leading end of a movable iron core'2011 8,029,372'Constant velocity universal joint'2011 8,024,923'Air cylinder apparatus'2011 7,959,129'Two-port solenoid valve'2011 7,897,550'Urea grease composition for constant velocity joints'2011 7,886,652'Positioning control mechanism for single-acting air cylinder'2011 7,836,690'Positioning control mechanism for double-acting air cylinder'2010 D0607540'Electromagnetic valve'2010 D0607539'Electromagnetic valve'2010 7,607,454'Vacuum and vacuum-breaking composite valve'2009 D0599888'Electromagnetic valve'2009 D0599887'Electromagnetic valve'2009 D0596708'Electromagnetic valve'2009 D0584797'Electromagnetic valve'2009 7,438,088'Electromagnetic pilot type directional control valve'2008 7,407,441'Constant velocity joint'2008 D0563523'Electromagnetic valve'2008 D0546420'Electromagnetic valve'2007 D0544581'Electromagnetic valve'2007 D0544576'Electromagnetic valve'2007 D0544578'Electromagnetic valve'2007 D0544580'Electromagnetic valve'2007 D0544577'Electromagnetic valve'2007 D0544575'Electromagnetic valve'2007 D0544579'Electromagnetic valve'2007 D0524910'Electromagnetic valve'2006 6,959,910'Solenoid valve having manually-operated device'2005 6,885,945'Method for estimating origin time, hypocentral distance, and scale based on electric field observation, and apparatus for prediction'2005 6,854,706'Electromagnetic valve'2005 D0499348'Fluid pressure cylinder'2004 6,748,976'Electromagnetic valve'2004 6,749,175'Solenoid for solenoid valve'2004 6,745,790'Electromagnetic valve'2004 6,698,713'Solenoid for electromagnetic valve'2004 6,664,877'Solenoid for electromagnetic valve'2003 6,542,059'Solenoid for electromagnetic valve'2003 6,302,149'Solenoid-valve manifold with feeding mechanism'2001 6,295,103'Electronic part protecting structure having deformable pins'2001 D0437030'Electromagnetic valve'2001 D0428112'Electromagnetic valve'2000 D0428111'Electromagnetic valve assembly'2000 D0427663'Electromagnetic valve assembly'2000 D0427284'Port block for valve piping'2000 D0426615'Supply and exhaust block for manifold solenoid valve'2000 D0424166'Electromagnetic valve assembly'2000 D0422340'Serial transmission box'2000 D0420100'Manifold for solenoid-operated directional control valve'2000 D0419216'Supply and exhaust block for a manifold valve'2000 D0417907'Mounting stand for solenoid valves'1999 D0417717'Electromagnetic valve assembly'1999 D0417485'Solenoid-operated pilot valve'1999 5,996,629'Pilot solenoid valve'1999 D0416977'Solenoid valve mounting base'1999 D0416980'Supply and exhaust block for manifold solenoid valve'1999 D0416309'Electromagnetic valve'1999 D0415824'Electromagnetic valve'1999 D0415558'Electromagnetic valve'1999 D0415559'Solenoid operated pilot valve'1999 D0415256'Electromagnetic valve assembly'1999 D0414545'Electromagnetic valve assembly'1999 D0413650'Solenoid-operated pilot valve'1999 D0409279'Air supply and discharge block for an electromagnetic valve assembly'1999 5,694,190'Liquid crystal display device having light guiding plate disposed between circuit board and display panel'1997 5,609,343'Sealing rings for spool valves'1997 5,597,015'Electromagnetic pilot type selector valve'1997 5,489,999'Liquid crystal display device having a circuit board disposed at a recess of a light guide plate'1996 D0363709'Display face of a liquid crystal display module'1995 5,441,233'Electromagnetic valve'1995 5,437,306'Double-solenoid type electromagnetic valve'1995 5,415,437'Tube coupling for fluidic apparatus'1995 5,256,107'Sliding type constant velocity universal joint having regulating device for maintaining position of roller constant'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2019Patents assigned to TOYOTA MOTOR CO LTD (4)· patent assignee history

1995–2011Patents assigned to SMC CORP (61)· patent assignee history

1995–2001Patents assigned to SHARP KK (4)· patent assignee history

1995–2008Based in Tsukuba, JP· patent location history

1997–2001Based in Yawara-mura, JP· patent location history

1999–2006Based in Ibaraki, JP· patent location history

2007–2011Based in Tsukubamirai, JP· patent location history

2008Patents assigned to JTEKT CORP (1)· patent assignee history

2008–2011Based in Nishikamo-gun, JP· patent location history

2021Patents assigned to IDEMITSU KOSAN CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SMC CORP	61	1995–2011
SHARP KK	4	1995–2001
TOYOTA MOTOR CO LTD	4	1993–2019
IDEMITSU KOSAN CO	1	2021
JTEKT CORP	1	2008

Locations

Location	Patents	Span
Tsukubamirai, JP	21	2007–2011
Yawara-mura, JP	16	1997–2001
Tsukuba, JP	15	1995–2008
Ibaraki, JP	9	1999–2006
Nishikamo-gun, JP	2	2008–2011