Inventor · disambiguated record
Katsumasa Shirai
Also filed as: SHIRAI KATSUMASA
2 granted patents·2 pending applications·17 citations·filing 2005–2021
54Inventor score
Top patents by PatentIndex Score
4 records- 0181US7731473B2Medicine tray supply apparatusYUYAMA MFG CO LTD·Filed 2005·Granted Jun 8, 2010·16 cites·7 claims
- 0251US9595483B2Cutting device and cutting methodTOWA CORP·Filed 2016·Granted Mar 14, 2017·1 cites·5 claims
- 0340US2023103899A1Machining apparatusTOWA CORP·Filed 2021·Application pending·0 cites
- 0440US2023074984A1Machining apparatusTOWA CORP·Filed 2021·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Katsumasa Shirai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →