Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JI

Junichi Ishigami — 2 Patents

RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
Nec: 1 patents #7,928 of 14,502Top 55%
Tokyo, JP: #44,108 of 90,295 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Junichi Ishigami has been granted 2 US patents while listed as an inventor at Nec. The first was granted in 1999 and the most recent in October 2014. Junichi Ishigami ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Junichi Ishigami in Tokyo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8854126 Semiconductor device and offset voltage correcting method Yasuhiro Koga 2014-10-07
5886653 Differential decoder circuit 1999-03-23 $21,000