Inventor · disambiguated record
Yukihisa Hiroyama
Also filed as: HIROYAMA YUKIHISA
2 granted patents·6 citations·filing 1988–2020
45Inventor score
Top patents by PatentIndex Score
2 records- 0134US4867843ASurface roughening of ceramics and application to production of ceramic wiring boardHITACHI CHEMICAL CO LTD·Filed 1988·Granted Sep 19, 1989·6 cites·7 claims
- 0232US11889635B2Joined body of joining base material and metal layerWORLD METAL CO LTD·Filed 2020·Granted Jan 30, 2024·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Yukihisa Hiroyama 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 →