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

Daisuke IIJIMA — 3 Patents

RERenesas Electronics: 3 patents #1,322 of 4,529Top 30%
Tokyo, JP: #36,070 of 90,295 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Daisuke IIJIMA has been granted 3 US patents while listed as an inventor at Renesas Electronics. The first was granted in 2014 and the most recent in April 2018. Daisuke IIJIMA ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Daisuke IIJIMA in Tokyo, JP.

Patents per Year

Patents granted per year, 2014 to 2018Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142017: 1 patents20172018: 1 patents2018

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9935577 Semiconductor device and fault detecting method Katsutoshi Bito, Yuji Takehara 2018-04-03
9755543 Power supply device and semiconductor device Kazuhito Ayukawa, Nobutoshi Kasai 2017-09-05
8810230 Power supply device and semiconductor device Kazuhito Ayukawa, Nobutoshi Kasai 2014-08-19