Inventor · disambiguated record
Tsutomu Ishiba
Also filed as: ISHIBA TSUTOMU
6 granted patents·6 citations·filing 1993–2003
75Inventor score
Top patents by PatentIndex Score
6 records- 0138US6815741B2III-V single crystal as well as method of producing the same, and semiconductor device utilizing the III-V single crystalRENESAS TECH CORP·Filed 2003·Granted Nov 9, 2004·0 cites·4 claims
- 0237US6630697B2GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the GaAs single crystalHITACHI LTD·Filed 2001·Granted Oct 7, 2003·0 cites·4 claims
- 0335US5770873AGaAs single crystal as well as method of producing the same, and semiconductor device utilizing the GaAs single crystalHITACHI LTD·Filed 1995·Granted Jun 23, 1998·3 cites·3 claims
- 0433US6294804B1GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the GaAs single crystalHITACHI LTD·Filed 1997·Granted Sep 25, 2001·2 cites·2 claims
- 0529US6297523B1GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the sameHITACHI LTD·Filed 1993·Granted Oct 2, 2001·1 cites·5 claims
- 0629US5733805AMethod of fabricating semiconductor device utilizing a GaAs single crystalHITACHI LTD·Filed 1995·Granted Mar 31, 1998·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →