Inventor · disambiguated record
Nobuhiko Izuta
Also filed as: IZUTA NOBUHIKO
4 granted patents·38 citations·filing 2000–2007
75Inventor score
Technology areasH10P
Top patents by PatentIndex Score
4 records- 0173US6444589B1Method and apparatus for etching siliconNISSO ENGINEERING CO LTD·Filed 2000·Granted Sep 3, 2002·18 cites·13 claims
- 0264US7713478B2Equipment and method for measuring silicon concentration in phosphoric acid solutionAPPRECIA TECHNOLOGY INC·Filed 2006·Granted May 11, 2010·5 cites·9 claims
- 0361US7964108B2Regeneration method of etching solution, an etching method and an etching systemAPPRECIA TECHNOLOGY INC·Filed 2007·Granted Jun 21, 2011·3 cites·4 claims
- 0459US7238295B2Regeneration process of etching solution, etching process, and etching systemM FSI LTD·Filed 2003·Granted Jul 3, 2007·12 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →