Riverfield Arm Device EP3777641A1
Summary
The European Patent Office published patent EP3777641A1 for an ARM DEVICE, assigned to Riverfield Inc. The invention relates to robotic arm technology for diagnostic and surgical applications, classified under A61B 1/00, A61B 90/50, A61B 34/30, A61B 17/00, and B25J 9/06. The patent names HARAGUCHI, Daisuke, TADANO, Kotaro, and KANAZAWA, Noriaki as inventors, with designated states covering all major European jurisdictions.
About this source
GovPing monitors EPO Patent Bulletin - Diagnosis & Surgery (A61B) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 34 changes logged to date.
What changed
The European Patent Office granted a new patent to Riverfield Inc. for an ARM DEVICE covering robotic arm technology for diagnostic and surgical use. The patent is classified under multiple IPC categories including A61B 1/00, A61B 34/30, and B25J 9/06. Medical device manufacturers developing robotic surgical systems should review this patent to ensure their products do not infringe on the granted claims.
Patent holders may enforce exclusive rights in designated European states including Germany, France, the United Kingdom, Italy, and other EU member states. Competitors developing similar robotic arm technology for medical applications should conduct freedom-to-operate analyses in relevant jurisdictions.
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
ARM DEVICE
Publication EP3777641A1 Kind: A1 Apr 15, 2026
Applicants
Riverfield Inc.
Inventors
HARAGUCHI, Daisuke, TADANO, Kotaro, KANAZAWA, Noriaki
IPC Classifications
A61B 1/00 20060101AFI20211029BHEP A61B 90/50 20160101ALI20211029BHEP B25J 9/06 20060101ALI20211029BHEP A61B 34/30 20160101ALI20211029BHEP A61B 17/00 20060101ALI20211029BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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