Inventor · disambiguated record
Hitoshi Ootsuka
Also filed as: OOTSUKA HITOSHI
1 granted patent·2 pending applications·10 citations·filing 2001–2006
37Inventor score
Technology areasG03F
Files withHOYA CORP3
Top patents by PatentIndex Score
3 records- 0172US6762000B2Phase shift mask blank, photo mask blank and manufacturing apparatus and method of blanksHOYA CORP·Filed 2001·Granted Jul 13, 2004·10 cites·12 claims
- 0250US2007034499A1Phase shift mask blank, photo mask blank, and manufacturing apparatus and method of blanksHOYA CORP·Filed 2006·Application pending·0 cites
- 0339US2004058254A1Phase shift mask blank, photo mask blank, and manufacturing apparatus and method of blanksHOYA CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →