Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ebara › Ryuji Haraguchi
RH

Ryuji Haraguchi — 2 Patents

EBEbara: 2 patents #752 of 1,611Top 50%
Fujisawa, JP: #1,163 of 2,463 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ryuji Haraguchi has been granted 2 US patents while listed as an inventor at Ebara. The first was granted in 1998 and the most recent in September 2001. Ryuji Haraguchi ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ryuji Haraguchi in Fujisawa, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE37347 Substrate gripper device for spin drying Toshiro Maekawa 2001-09-04
5775000 Substrate gripper device for spin drying Toshiro Maekawa 1998-07-07

Frequent Collaborators

Toshiro Maekawa2 shared

Nearby-Ranked Inventors

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