Portfolio comparison
Tokyo Shibaura Electric Co Ltd vs Exxon Research and Engineering Co
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
Exxon Research and Engineering Co
Patents indexed
1
Year range
1977
Most recent
1977
consumer_electronicstelecommunicationsenergymaterialsautomotive
Top Patents1 enriched
US 4009052· 1977
How Early Rechargeable Lithium Batteries Used Layered Materials
Activity by Decade
1970s1
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