Inventor · disambiguated record
Hiroshi Shiraiwa
Also filed as: SHIRAIWA HIROSHI
3 granted patents·1 pending application·6 citations·filing 2009–2023
57Inventor score
Technology areasB65H
Files withPFU LTD4
Top patents by PatentIndex Score
4 records- 0175US7971867B2Sheet feeding apparatus and medium detecting methodPFU LTD·Filed 2009·Granted Jul 5, 2011·5 cites·6 claims
- 0267US11180332B2Medium conveying apparatus including joint for connecting a roller and a drive shaftPFU LTD·Filed 2019·Granted Nov 23, 2021·1 cites·5 claims
- 0340USD1069797SScannerPFU LTD·Filed 2023·Granted Apr 8, 2025·0 cites·1 claims
- 0440US2022089395A1Medium conveying apparatus including two magnets for attracting magnetic material moving with conveyed mediumPFU LTD·Filed 2021·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroshi Shiraiwa 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 →