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Tominori Ishikawa
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Niigata, JP
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last 30 patents
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Patent Grant
Air cleaner having vanes with a winglike cross-section between a sh...
Patent number
6,156,090
Issue date
Dec 5, 2000
Hitachi, Ltd.
Tominori Ishikawa
F24 - HEATING RANGES VENTILATING
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Patent Grant
Air cleaner
Patent number
6,019,808
Issue date
Feb 1, 2000
Hitachi, Ltd.
Tominori Ishikawa
F24 - HEATING RANGES VENTILATING