Inventor · disambiguated record
Tatsuro Umeyama
Also filed as: UMEYAMA TATSURO
4 granted patents·1 pending application·63 citations·filing 2000–2003
78Inventor score
Top patents by PatentIndex Score
5 records- 0183US6475599B1Substrate for information recording mediaNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Nov 5, 2002·17 cites·8 claims
- 0281US6782717B2Method for manufacturing glass substrate of information recording mediumHOYA CORP·Filed 2003·Granted Aug 31, 2004·22 cites·8 claims
- 0376US7140203B2Method for manufacturing glass substrate of information recording mediumHOYA CORP·Filed 2003·Granted Nov 28, 2006·16 cites·20 claims
- 0470US6715318B2Glass substrate for information recording media and manufacturing method thereofNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Apr 6, 2004·8 cites·8 claims
- 0536US2003079500A1Method for manufacturing information recording medium glass substrateFiled 2002·Application pending·0 cites
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