Inventor · disambiguated record
Ryoji Yokoyama
Also filed as: YOKOYAMA RYOJI
3 granted patents·90 citations·filing 1986–1996
74Inventor score
Top patents by PatentIndex Score
3 records- 0179US4734155AMethod and device for manufacturing a laminated materialHITACHI CHEMICAL CO LTD·Filed 1987·Granted Mar 29, 1988·46 cites·3 claims
- 0268US4824509AMethod for pressure lamination utilizing fluid medium with partial solidification thereof for sealing pressure chamberHITACHI CHEMICAL CO LTD·Filed 1986·Granted Apr 25, 1989·19 cites·13 claims
- 0351US5943405ACredit calling service systemFUJITSU LTD·Filed 1996·Granted Aug 24, 1999·25 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Ryoji Yokoyama 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 →