Inventor

Masafumi Tamai

Inventor
Kitakyushu, JP

Overview

6→
Patents
2002–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H02Kprimary
H02KDynamo-electric machines33%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles13%
F16HGearing13%
Y10TTechnical subjects covered by former us classification13%
B25JManipulators7%
G01DMeasuring not specially adapted for a specific variable7%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2005Patents assigned to YASKAWA DENKI SEISAKUSHO KK (4)· patent assignee history
2002–2004Based in Kitakyushu, JP· patent location history
2005Based in Fukuoka, JP· patent location history
2013–2018Patents assigned to MOOG JAPAN LTD (2)· patent assignee history
2013–2018Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2013Patents assigned to GOTO OSAMU (1)· patent assignee history
2013Patents assigned to TAMAI MASAFUMI (1)· patent assignee history
2013–2018Based in Hiratsuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YASKAWA DENKI SEISAKUSHO KK42002–2005
MOOG JAPAN LTD22013–2018
NIPPON STEEL & SUMITOMO METAL CORP22013–2018
GOTO OSAMU12013
TAMAI MASAFUMIself12013
Locations
LocationPatentsSpan
Kitakyushu, JP32002–2004
Hiratsuka, JP22013–2018
Fukuoka, JP12005