Inventor · disambiguated record
Hozumi Usui
Also filed as: USUI HOZUMI
3 granted patents·56 citations·filing 1998–2003
72Inventor score
Top patents by PatentIndex Score
3 records- 0182US6277205B1Method and apparatus for cleaning photomaskMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 21, 2001·19 cites·11 claims
- 0270US6071376AMethod and apparatus for cleaning photomaskMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Jun 6, 2000·35 cites·4 claims
- 0350US7077915B2Method of and apparatus for washing photomask and washing solution for photomaskWATANABE & CO LTD M·Filed 2003·Granted Jul 18, 2006·2 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Hozumi Usui 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 →