Portfolio comparison
Tsinghua University vs Data Tech Services Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Tsinghua University
Patents indexed
1
Year range
2019
Most recent
2019
energytelecommunicationsmechanicalsoftware
Top Patents1 enriched
US 10480867· 2019
Smart Energy System for Power, Heating, and Cooling Grids
Activity by Decade
2010s1
Company B
Data Tech Services Inc
Patents indexed
1
Year range
1991
Most recent
1991
mechanicalconsumer_electronics
Top Patents1 enriched
US 5013088· 1991
How Tamper-Proof Labels That Break Into Pieces Work
Activity by Decade
1990s1
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