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Inventor

Seiji Hiraoka

Inventor
Tokyo, JP

Overview

4→
Patents
2006–2017
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions43%
B08BCleaning in general14%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for14%
E02FDredging14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
PatentTitleYear
9,557,165'Method for measuring end portion shape of threaded pipe or tube'20179,267,900'Method for measuring thread element at end portion of pipe or tube'20168,804,104'Apparatus, system, and method for measuring thread features on pipe or tube end'20146,991,283'Shutter type guard apparatus for construction machine'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Based in Kobe, JP· patent location history
2014–2017Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (3)· patent assignee history
2014–2016Patents assigned to HIRAOKA SEIJI (2)· patent assignee history
2014–2016Patents assigned to HONDA TATSURO (2)· patent assignee history
2014Patents assigned to CARL MAHR HOLDING GMBH (1)· patent assignee history
2014Patents assigned to FRIEDRICH KONRAD (1)· patent assignee history
2014Based in Osaka, JP· patent location history
2016–2017Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL & SUMITOMO METAL CORP32014–2017
HIRAOKA SEIJIself22014–2016
HONDA TATSURO22014–2016
CARL MAHR HOLDING GMBH12014
FRIEDRICH KONRAD12014
Locations
LocationPatentsSpan
Tokyo, JP22016–2017
Osaka, JP12014
Kobe, JP12006