Inventor · disambiguated record
Hiroshi Ohtsuna
Also filed as: OHTSUNA HIROSHI
3 granted patents·1 pending application·52 citations·filing 1991–2011
70Inventor score
Files withSHINETSU HANDOTAI KK4
Top patents by PatentIndex Score
4 records- 0173US8349074B2Method for detecting diameter of single crystal, single-crystal manufacturing method by using the same and single-crystal manufacturing apparatusSHINETSU HANDOTAI KK·Filed 2009·Granted Jan 8, 2013·2 cites·4 claims
- 0270US5138179AMethod of and device for diameter measurement used in automatically controlled crystal growthSHINETSU HANDOTAI KK·Filed 1991·Granted Aug 11, 1992·23 cites·13 claims
- 0365US5183528AMethod of automatic control of growing neck portion of a single crystal by the cz methodSHINETSU HANDOTAI KK·Filed 1991·Granted Feb 2, 1993·27 cites·5 claims
- 0443US2013032083A1Single-crystal manufacturing apparatus and method for manufacturing single crystalSHINETSU HANDOTAI KK·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →