Portfolio comparison
Innerspace Environments Inc vs Powdertech Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Innerspace Environments Inc
Patents indexed
1
Year range
1971
Most recent
1971
consumer_electronicsmechanical
Top Patents1 enriched
US 3585356· 1971
How the Modern Waterbed Works
Activity by Decade
1970s1
Company B
Powdertech Co Ltd
Patents indexed
1
Year range
2024
Most recent
2024
materialsmechanicalconsumer_electronics
Top Patents1 enriched
US 12134567· 2024
How to Make Better Ferrite Powder for Industrial Use
Activity by Decade
2020s1
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