Inventor · disambiguated record
Youichi Hayashi
Also filed as: HAYASHI YOUICHI
6 granted patents·103 citations·filing 1989–2014
83Inventor score
Top patents by PatentIndex Score
6 records- 0177US5802016AElectronic watchSEIKO EPSON CORP·Filed 1994·Granted Sep 1, 1998·50 cites·4 claims
- 0265US9662958B2Work vehicleKOMATSU MFG CO LTD·Filed 2014·Granted May 30, 2017·2 cites·7 claims
- 0363US5038030ASurface identification for back-coated magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Aug 6, 1991·22 cites·6 claims
- 0463US4979408AScrew tightening deviceFUJI PHOTO FILM CO LTD·Filed 1989·Granted Dec 25, 1990·19 cites·2 claims
- 0543US4870291ASplice inspection method and apparatus using light inclined at a prescribed angleFUJI PHOTO FILM CO LTD·Filed 1989·Granted Sep 26, 1989·5 cites·16 claims
- 0640US4991448AFunction checking system for magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1989·Granted Feb 12, 1991·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →