Inventor
Masafumi Tamai
Inventor
Kitakyushu, JP
Overview
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%
PatentTitleYear
9,941,767Linear actuator and rocking controller for railway vehicle20188,601,952'Linear actuator and rocking controller for railway vehicle'20136,946,755'Linear motor'20056,750,571'Magnetically shielded linear motors, and stage apparatus comprising same'20046,701,803'Reduction gears-integrated actuator'20046,343,242'Protective device for clean robot'2002Career & 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
| Assignee | Patents | Span |
|---|---|---|
| YASKAWA DENKI SEISAKUSHO KK | 4 | 2002–2005 |
| MOOG JAPAN LTD | 2 | 2013–2018 |
| NIPPON STEEL & SUMITOMO METAL CORP | 2 | 2013–2018 |
| GOTO OSAMU | 1 | 2013 |
| TAMAI MASAFUMIself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitakyushu, JP | 3 | 2002–2004 |
| Hiratsuka, JP | 2 | 2013–2018 |
| Fukuoka, JP | 1 | 2005 |