Inventor · disambiguated record
Hirofumi Matsushima
Also filed as: MATSUSHIMA HIROFUMI
2 granted patents·1 pending application·4 citations·filing 2004–2004
46Inventor score
Technology areasB41J
Files withSANYO ELECTRIC CO3
Top patents by PatentIndex Score
3 records- 0139US7147391B2Image forming deviceSANYO ELECTRIC CO·Filed 2004·Granted Dec 12, 2006·2 cites·10 claims
- 0236US6981810B2Printer apparatus having platen roller with sheet feed guideSANYO ELECTRIC CO·Filed 2004·Granted Jan 3, 2006·2 cites·4 claims
- 0331US2005024471A1Transfer Film CassetteSANYO ELECTRIC CO·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hirofumi Matsushima 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 →