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Ryoichi Okabe — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Otofuke, JP: #184 of 546 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ryoichi Okabe has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2004 and the most recent in December 2025. Ryoichi Okabe ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ryoichi Okabe in Otofuke, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12497769 Flush toilet apparatus Kenji HATAMA, Kenji Watanabe, Hideo Hashimoto 2025-12-16
6725557 Thickness measuring apparatus and method Jun-ichi Kushibiki, Mototaka Arakawa 2004-04-27

Frequent Collaborators

Kenji Watanabe1 shared
Kenji HATAMA1 shared
Hideo Hashimoto1 shared
Jun-ichi Kushibiki1 shared
Mototaka Arakawa1 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2