Inventor · disambiguated record
Sumihisa Aoki
Also filed as: AOKI SUMIHISA
3 granted patents·47 citations·filing 1990–1994
72Inventor score
Top patents by PatentIndex Score
3 records- 0161US5705125AWire for electric railwaysMITSUBISHI MATERIALS CORP·Filed 1994·Granted Jan 6, 1998·22 cites·18 claims
- 0260US5391243AMethod for producing wire for electric railwaysMITSUBISHI MATERIALS CORP·Filed 1993·Granted Feb 21, 1995·14 cites·74 claims
- 0358US5087300AMethod for manufacturing high-conductivity copper-clad steel trolley wireFUJIKURA LTD·Filed 1990·Granted Feb 11, 1992·11 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Sumihisa Aoki 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 →