Inventor · disambiguated record
Keiji Sano
Also filed as: SANO KEIJI
2 granted patents·3 pending applications·12 citations·filing 1990–2023
54Inventor score
Top patents by PatentIndex Score
5 records- 0178US10280094B2Method and apparatus for treating urea aqueous solutionTOYO ENGINEERING CORP·Filed 2017·Granted May 7, 2019·2 cites·6 claims
- 0267US2025179010A1Urea production method and urea production apparatusTOYO ENGINEERING CORP·Filed 2023·Application pending·0 cites
- 0361US2025145563A1Urea synthesis methodTOYO ENGINEERING CORP·Filed 2023·Application pending·0 cites
- 0450US5085379AMethod of controlling reel driveNAKAMICHI CORP·Filed 1990·Granted Feb 4, 1992·10 cites·11 claims
- 0534US2003105545A1Data transferring method and device for electric fusion welding deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →