Portfolio comparison
Tokyo Shibaura Electric Co Ltd vs US Department of Navy
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
semiconductorsdata-storagemobilecomputingmemory
Top Patents1 enriched
US 4531203· 1985
NAND Flash — The Memory in Every SSD, iPhone, and USB Drive
Activity by Decade
1980s1
Company B
US Department of Navy
Patents indexed
1
Year range
1974
Most recent
1974
telecommunicationsaerospacedefensesoftwareelectronics
Top Patents1 enriched
US 3789410· 1974
Measuring Distance to a Radio Emitter from a Moving Vehicle
Activity by Decade
1970s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.