Inventor

ISHIBA TSUTOMU

JP6 patents

⚠️ This page may combine multiple inventors who share the name “ISHIBA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

5 patents

US6294804B1Sep 25, 2001

GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the GaAs single crystal

HITACHI LTD2 citations61

US5770873AJun 23, 1998

GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the GaAs single crystal

HITACHI LTD3 citations61

US6630697B2Oct 7, 2003

GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the GaAs single crystal

HITACHI LTD0 citations50

US6297523B1Oct 2, 2001

GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the same

HITACHI LTD1 citations50

US5733805AMar 31, 1998

Method of fabricating semiconductor device utilizing a GaAs single crystal

HITACHI LTD0 citations50

RENESAS TECH CORP

1 patent

US6815741B2Nov 9, 2004

III-V single crystal as well as method of producing the same, and semiconductor device utilizing the III-V single crystal

RENESAS TECH CORP0 citations50