Portfolio comparison
Green Cross Corp Japan vs Weatherford Technology Holdings LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 5002952· 1991
How to Make Hard-to-Absorb Medicines Easier for the Body to Use
Activity by Decade
1990s1
Company B
Weatherford Technology Holdings LLC
Patents indexed
1
Year range
2025
Most recent
2025
energymechanicaltelecommunications
Top Patents1 enriched
US 12497890· 2025
How Oil Wells Send Acoustic Signals Using Mechanical Hammers
Activity by Decade
2020s1
How to use
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