20 Utility Patents
#49 in Tsuchiura
#35,622 in Japan
#162,181 in the World
Forward Citations = 72
Company Filing History:
Hitachi Industrial Equipment Systems Co., Ltd.
Hitachi Industries Co., Ltd.
4. 1 out of 6
Hitachi, Ltd., Trustee, for the Benefit of Hitachi Air Conditioning Systems Co., Ltd.
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