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Inventor

Seiji Tamura

Inventor
Ibaraki, JP

Overview

17→
Patents
1986–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 as inventor

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

E02Fprimary
E02FDredging12%
F16HGearing8%
Y10TTechnical subjects covered by former us classification8%
B60WConjoint control of vehicle sub-units of different type or different function6%
C04BLime, magnesia6%
B01DSeparation4%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like4%
F02BInternal-combustion piston engines4%
F02DControlling combustion engines4%
F15BSystems acting by means of fluids in general4%
PatentTitleYear
10,126,179Temperature sensor and manufacturing method therefor20188,895,131'Honeycomb structure'20148,685,885'Honeycomb structure'20148,168,018'Method for manufacturing honeycomb structure'20127,761,184'Robot apparatus and control method thereof'20106,523,905'Crawler carrier having an engine, a hydraulic pump and a heat exchanger positioned in a lateral direction'20036,361,246'Tired roller'20026,200,692'Container for holding high purity isopropyl alcohol'20016,105,707'Tired Roller'20005,638,677'Control device for hydraulically propelled work vehicle'19975,513,875'Lockable suspension system for a work vehicle having a stabilizing link'19965,477,679'Apparatus for controlling revolution speed of prime mover for hydraulically propelled work vehicle'19955,422,064'Method for manufacturing a diaphragm for a gasmeter'19955,307,631'Hydraulic control apparatus for hydraulic construction machine'19945,277,269'Engine revolution speed control device for a hydraulically driven vehicle'19944,726,186'Control system of hydraulic construction machinery'19884,614,475'Hydraulic circuit system for civil engineering and architectural machinery'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2003Patents assigned to HITACHI CONSTRUCTION MACHINERY (10)· patent assignee history
1986–2002Based in Ibaraki, JP· patent location history
2003Based in Tomobe, JP· patent location history
2010Based in Tokyo, JP· patent location history
2012–2014Patents assigned to IBIDEN CO LTD (3)· patent assignee history
2012–2014Patents assigned to TAMURA SEIJI (3)· patent assignee history
2012–2014Based in Ibi-gun, JP· patent location history
2014Patents assigned to GOTO SHIGEAKI (2)· patent assignee history
2014Patents assigned to SATO MASAYA (2)· patent assignee history
2018Based in Okayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CONSTRUCTION MACHINERY101986–2003
IBIDEN CO LTD32012–2014
TAMURA SEIJIself32012–2014
GOTO SHIGEAKI22014
SATO MASAYA22014
Locations
LocationPatentsSpan
Ibaraki, JP81986–2002
Ibi-gun, JP32012–2014
Okayama, JP12018
Tokyo, JP12010
Tomobe, JP12003