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Masaki Takahashi
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Kawasaki, JP
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last 30 patents
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Patent Grant
Ventilator for container
Patent number
D288121
Issue date
Feb 3, 1987
Nishiyama Corporation
Masaki Takahashi
D23 - Environmental heating and cooling
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Patent Grant
Ventilator for containers
Patent number
D286908
Issue date
Nov 25, 1986
Nishiyama Corporation of America
Shigeo Mizuno
D23 - Environmental heating and cooling