Inventor · disambiguated record
Hisashi Watamura
Also filed as: WATAMURA HISASHI
3 granted patents·3 citations·filing 2000–2018
53Inventor score
Files withSEIKO EPSON CORP3
Top patents by PatentIndex Score
3 records- 0137US6659663B1Head drive circuit for impact dot printerSEIKO EPSON CORP·Filed 2000·Granted Dec 9, 2003·2 cites·12 claims
- 0236US10250148B2Printing apparatus, control method thereof, and power supply circuit thereforSEIKO EPSON CORP·Filed 2018·Granted Apr 2, 2019·0 cites·7 claims
- 0334US6733195B2Head drive circuit for impact dot printerSEIKO EPSON CORP·Filed 2001·Granted May 11, 2004·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →