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

Masayoshi Isobe — 2 Patents

FFFfc: 1 patents #3 of 24Top 15%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
NCNippon Precision Circuits: 1 patents #36 of 85Top 45%
Tochigi, JP: #1,337 of 2,789 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Masayoshi Isobe has been granted 2 US patents while listed as an inventor at Ffc. The first was granted in 2004 and the most recent in November 2006. Masayoshi Isobe ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Masayoshi Isobe in Tochigi, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7141939 Power supply circuit that is stable against sudden load change Takayuki Nagasawa, Shinji Yajima, Toshiyuki Teramoto, Shunsuke Fueki, Hiroshi Okubo +2 more 2006-11-28
6794905 CMOS inverter Masatoshi Sato 2004-09-21