Inventor

ASHIDA ISAO

JP5 patents

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

SONY CORP

4 patents

US6401235B1Jun 4, 2002

Method of and apparatus for producing exposure mask

SONY CORP15 citations80

US7109500B2Sep 19, 2006

Mask pattern correction method, semiconductor device manufacturing method, mask manufacturing method and mask

SONY CORP4 citations62

US7010434B2Mar 7, 2006

Complementary division condition determining method and program and complementary division method

SONY CORP6 citations59

US6780659B2Aug 24, 2004

Stencil mask and method of producing the same, semiconductor device produced using the stencil mask and method of producing the semiconductor device

SONY CORP5 citations59

(unassigned)

1 patent

US6658641B2Dec 2, 2003

Method for mask data verification and computer readable record medium recording the verification program