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USPTO Patent Rankings Data through Sept 30, 2025
SK

Seiichi Kashiwaba

Canon: 1 patents #1,147 of 2,505Top 50%
Overall (2002): #120,451 of 266,432Top 50%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6381076 Zoom lens barrel 2002-04-30