Inventor · name-matched record
HAGIWARA HIROYUKI
1 granted patent·3 pending applications·0 citations·filing 2023–2025
4Inventor score
Technology areasB41J
Files withSEIKO EPSON CORP4
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
4 records- 0181US2026001329A1Liquid Ejecting Head And Liquid Ejecting ApparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 0281US2026001337A1Liquid Ejecting Head And Liquid Ejecting ApparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 0381US2026001346A1Liquid Ejecting Head And Liquid Ejecting ApparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 0463US12515454B2Liquid ejecting head, liquid ejecting head unit, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Jan 6, 2026·0 cites·20 claims
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Identity basis: exact name match across USPTO filings. How scoring works →