Inventor · disambiguated record
Mayumi Ueyama
Also filed as: UEYAMA MAYUMI
5 granted patents·172 citations·filing 1995–2002
84Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0192US5761371Amagnetic recording/reproducing apparatus for searching programs recorded on magnetic tapeHITACHI LTD·Filed 1995·Granted Jun 2, 1998·66 cites·12 claims
- 0291US6038366AMagnetic recording/reproducing apparatus for search programs recorded on magnetic tapeHITACHI LTD·Filed 1998·Granted Mar 14, 2000·58 cites·3 claims
- 0379US7231130B2Magnetic recording/reproducing apparatus for searching programs recorded on magnetic tapeHITACHI LTD·Filed 2002·Granted Jun 12, 2007·10 cites·4 claims
- 0440US6895393B1Electronic book distributing system by use of purchase certificate and devices thereforHITACHI LTD·Filed 1999·Granted May 17, 2005·36 cites·17 claims
- 0536US6389217B1Magnetic recording/reproducing apparatus for searching programs recorded on magnetic tapeHITACHI LTD·Filed 1999·Granted May 14, 2002·2 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Mayumi Ueyama 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 →