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Inventor

Masao Kamada

Inventor
Osaka, JP

Overview

8→
Patents
1993–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

B23Kprimary
B23KSoldering or unsoldering21%
H04BTransmission21%
H05BElectric heating14%
B22FWorking metallic powder7%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel7%
C22CAlloys7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
9,515,730'Visible light communication terminal'20168,810,155'Illumination light communication device, and illumination apparatus and system including same'20148,749,168'Illumination light communication device, and illumination apparatus and system including same'20147,954,969'Illuminating device for liquid crystal panel'20116,140,607'Gas shielded arc-welding flux cored wire'20005,968,449'Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof'19995,903,814'Flux cored wires for gas shielded arc welding'19995,192,016'Methods for manufacturing tubes filled with powdery and granular substances'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2000Patents assigned to NIPPON STEEL WELDING PROD ENG (4)· patent assignee history
1993Based in Tokyo, JP· patent location history
1999Based in Kazo, JP· patent location history
2000Based in Saitama, JP· patent location history
2011Based in Neyagawa, JP· patent location history
2014Patents assigned to HASITANI YOSIAKI (2)· patent assignee history
2014Patents assigned to KAMADA MASAO (2)· patent assignee history
2014Patents assigned to KONDO YOSUKE (2)· patent assignee history
2014Patents assigned to MAEHARA MINORU (2)· patent assignee history
2014–2016Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL WELDING PROD ENG41993–2000
HASITANI YOSIAKI22014
KAMADA MASAOself22014
KONDO YOSUKE22014
MAEHARA MINORU22014
Locations
LocationPatentsSpan
Osaka, JP32014–2016
Kazo, JP21999
Neyagawa, JP12011
Saitama, JP12000
Tokyo, JP11993