Inventor · disambiguated record

Shintaro Hirakawa

Also filed as: HIRAKAWA SHINTARO

2 granted patents·27 citations·filing 1990–1992

61Inventor score

Technology areasG11B

Files withTOSHIBA KK2

Top patents by PatentIndex Score

2 records

0163US5241441ADisk cartridge with lubricating means in contact with spindle of drive meansTOSHIBA KK·Filed 1992·Granted Aug 31, 1993·16 cites·12 claims
0255US5103363ADisk cartridge with lubricating means in contact with spindle of drive meansTOSHIBA KK·Filed 1990·Granted Apr 7, 1992·11 cites·16 claims

Join the waitlist — get patent alerts

Get an alert when Shintaro Hirakawa 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 →