Assignee
TSINGHUA TONGFANG CO LTD
CN·2 granted patents·20 citations·filing 2001–2002
Top patents by PatentIndex Score
2 records- 0156US6481234B2Heat pump system for air conditioning adaptable to cold regionsTSINGHUA TONGFANG CO LTD·Filed 2001·Granted Nov 19, 2002·16 cites·2 claims
- 0250US6695972B2Formula and preparation method for multi-layer chip inductor material used in very high frequenciesTSINGHUA TONGFANG CO LTD·Filed 2002·Granted Feb 24, 2004·4 cites·3 claims
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