Inventor · disambiguated record
Takehiko Hagihara
Also filed as: HAGIHARA TAKEHIKO
4 granted patents·0 citations·filing 2021–2022
51Inventor score
Files withSEIKO EPSON CORP4
Top patents by PatentIndex Score
4 records- 0147US11662653B1Light source device and projectorSEIKO EPSON CORP·Filed 2022·Granted May 30, 2023·0 cites·11 claims
- 0247US11543617B2Diffusion apparatus, optical apparatus, and projectorSEIKO EPSON CORP·Filed 2021·Granted Jan 3, 2023·0 cites·11 claims
- 0345US11815797B2Light source device and projectorSEIKO EPSON CORP·Filed 2022·Granted Nov 14, 2023·0 cites·8 claims
- 0440US11619869B2Light source apparatus and projectorSEIKO EPSON CORP·Filed 2021·Granted Apr 4, 2023·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →