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

Michiyasu Itoh — 1 Patent

FEFerric: 1 patents #13 of 27Top 50%
MIMitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
Kuwana, JP: #248 of 386 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Michiyasu Itoh has been granted 1 US patent while listed as an inventor at Ferric. All of these patents were granted in 1990. Michiyasu Itoh ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Michiyasu Itoh in Kuwana, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4939030 Film for retaining freshness of vegetables and fruits Shoichi Tsuji, Hazime Musika, Junko Hayakawa, Eiji Miyashita 1990-07-03 $58,000