Inventor · disambiguated record
Katsumi Oyama
Also filed as: OYAMA KATSUMI
3 granted patents·2 pending applications·10 citations·filing 1990–2024
59Inventor score
Top patents by PatentIndex Score
5 records- 0170US11647892B2Distal end portion of endoscope, endoscope insertion portion, and endoscopeOLYMPUS CORP·Filed 2021·Granted May 16, 2023·1 cites·9 claims
- 0267US2025072733A1Endoscope bending portion and endoscopeOLYMPUS CORP·Filed 2024·Application pending·0 cites
- 0355US12178406B2Endoscope bending portion and endoscopeOLYMPUS CORP·Filed 2021·Granted Dec 31, 2024·0 cites·19 claims
- 0449US5212038ADeveloper and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1990·Granted May 18, 1993·9 cites·10 claims
- 0547US2022240752A1Endoscope, insertion portion of endoscope, and method for manufacturing insertion portionOLYMPUS CORP·Filed 2022·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Katsumi Oyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →