Inventor · disambiguated record
Makoto Sumiyoshi
Also filed as: SUMIYOSHI MAKOTO
4 granted patents·188 citations·filing 1987–2023
79Inventor score
Top patents by PatentIndex Score
4 records- 0187US4794221AApparatus and method for exchanging electrode chips used for resistance weldingTOYOTA MOTOR CO LTD·Filed 1987·Granted Dec 27, 1988·66 cites·11 claims
- 0278US5586006AMulti-chip module having a multi-layer circuit board with insulating layers and wiring conductors stacked togetherFUJITSU LTD·Filed 1995·Granted Dec 17, 1996·59 cites·32 claims
- 0378US5432675AMulti-chip module having thermal contactsFUJITSU LTD·Filed 1993·Granted Jul 11, 1995·63 cites·13 claims
- 0474US12512286B2Relay device and power supply device for vehicleSUBARU CORP·Filed 2023·Granted Dec 30, 2025·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Makoto Sumiyoshi 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 →