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Inventor

Tatsumi Kameyama

Inventor
Tokyo, JP

Overview

2→
Patents
2014–2015
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Dprimary
G01DMeasuring not specially adapted for a specific variable17%
G01FMeasuring volume, volume flow, mass flow or liquid level17%
G01KMeasuring temperature17%
G06FElectric digital data processing17%
H03KPulse technique17%
H05BElectric heating17%
PatentTitleYear
8,970,124'Field equipment photoelectric sensing sensitivity adjustment'20158,862,434'Maintenance expert system for measuring instrument'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2015Patents assigned to KAMEYAMA TATSUMI (2)· patent assignee history
2014–2015Patents assigned to OVAL CORP (2)· patent assignee history
2014Patents assigned to SAITOH SHUNJI (1)· patent assignee history
2014–2015Based in Tokyo, JP· patent location history
2015Patents assigned to ENDO YOSHIFUMI (1)· patent assignee history
2015Patents assigned to NAKAYAMA NORIAKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAMEYAMA TATSUMIself22014–2015
OVAL CORP22014–2015
ENDO YOSHIFUMI12015
NAKAYAMA NORIAKI12015
SAITOH SHUNJI12014
Locations
LocationPatentsSpan
Tokyo, JP22014–2015