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USPTO Patent Rankings Data through Sept 30, 2025
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Kunihiko Nagasawa — 3 Patents

Pioneer Electronic: 3 patents #611 of 1,840Top 35%
Overall (All Time): #1,673,128 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4740835 Wire-tap preventing apparatus for community antenna television terminals Isao Nishibori 1988-04-26
4658352 Computer system with a back-up power supply 1987-04-14
4584684 Data transmission method Isao Nishibori 1986-04-22