Inventor · disambiguated record

Shoichi Sawahata

Also filed as: SAWAHATA SHOICHI

2 granted patents·38 citations·filing 1990–1991

63Inventor score

Technology areasG11B

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0174US5285343AMagnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic diskHITACHI LTD·Filed 1990·Granted Feb 8, 1994·26 cites·20 claims
0259US5656349AMagnetic disk, method of manufacturing the same and magnetic disk apparatus including the magnetic diskHITACHI LTD·Filed 1991·Granted Aug 12, 1997·12 cites·21 claims

Join the waitlist — get patent alerts

Get an alert when Shoichi Sawahata 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 →