Inventor · disambiguated record
Masahiko Okui
Also filed as: OKUI MASAHIKO
6 granted patents·1 pending application·96 citations·filing 1993–2008
83Inventor score
Top patents by PatentIndex Score
7 records- 0190US6458204B1Method of producing high-quality silicon single crystalsSUMITOMO METAL IND·Filed 2000·Granted Oct 1, 2002·42 cites·20 claims
- 0277US7837791B2Silicon single crystal wafer for particle monitorSUMITOMO MITSUBISHI SILICON·Filed 2008·Granted Nov 23, 2010·2 cites·7 claims
- 0374US6702892B2Production device for high-quality silicon single crystalsSUMITOMO MITSUBISHI SILICON·Filed 2001·Granted Mar 9, 2004·19 cites·4 claims
- 0467US6514335B1High-quality silicon single crystal and method of producing the sameSUMITOMO METAL IND·Filed 1998·Granted Feb 4, 2003·21 cites·11 claims
- 0543US2004040491A1Silicon single crystal wafer for particle monitorFiled 2003·Application pending·0 cites
- 0638US6338757B1Single crystal pull-up apparatusSUMITOMO METAL IND·Filed 1999·Granted Jan 15, 2002·8 cites·17 claims
- 0736US5402747AMethod of growing crystalSUMITOMO METAL IND·Filed 1993·Granted Apr 4, 1995·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →