Inventor · disambiguated record
Tatsuro Ishizuka
Also filed as: ISHIZUKA TATSURO
4 granted patents·56 citations·filing 1990–1995
78Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0173US5548174ASteel rotor shafts of electric machinesHITACHI LTD·Filed 1995·Granted Aug 20, 1996·19 cites·12 claims
- 0257US5063320AFeeder lead wire of rotor for electric machineHITACHI LTD·Filed 1990·Granted Nov 5, 1991·23 cites·8 claims
- 0354US5288455ASteel for rotor shafts of electric machines and method and product thereofHITACHI LTD·Filed 1992·Granted Feb 22, 1994·9 cites·21 claims
- 0443US5437742ASteel rotor shafts for electric machinesHITACHI LTD·Filed 1993·Granted Aug 1, 1995·5 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Tatsuro Ishizuka 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 →