Inventor · disambiguated record
Hirotaka Ohta
Also filed as: OHTA HIROTAKA
4 granted patents·126 citations·filing 1990–2001
80Inventor score
Top patents by PatentIndex Score
4 records- 0177US6323052B1Compound semiconductor light emitting device and method of fabricating the sameMITSUBISHI CHEM CORP·Filed 1998·Granted Nov 27, 2001·58 cites·17 claims
- 0276US6744074B2Compound semiconductor light emitting device and method of fabricating the sameMITSUBISHI CHEM CORP·Filed 2001·Granted Jun 1, 2004·25 cites·11 claims
- 0358US6677618B1Compound semiconductor light emitting deviceMITSUBISHI CHEM CORP·Filed 1999·Granted Jan 13, 2004·24 cites·28 claims
- 0455US5352450AMethod for preparing vaccine for dental caries and vaccinal compositions for dental caries used as nasal dropLION CORP·Filed 1990·Granted Oct 4, 1994·19 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →