Portfolio comparison
Tokyo Shibaura Electric Co Ltd vs Ciba Geigy Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Tokyo Shibaura Electric Co Ltd
Patents indexed
1
Year range
1985
Most recent
1985
semiconductorsconsumer_electronics
Top Patents1 enriched
US 4531203· 1985
How Flash Memory Cells Use an Erase Gate to Clear Data
Activity by Decade
1980s1
Company B
Ciba Geigy Corp
Patents indexed
2
Year range
1979 – 1996
Most recent
1996
pharmaceuticalbiotechchemistryoncology
Top Patents2 enriched
US 5521184· 1996
New Pyrimidine Chemical Compounds for Treating Tumors
US 4147780· 1979
Chemical Compounds for Fighting Bacterial and Yeast Infections
Activity by Decade
1970s1
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.