Inventor · disambiguated record
Yoshirou Sugiyama
Also filed as: SUGIYAMA YOSHIROU
4 granted patents·15 citations·filing 2016–2018
64Inventor score
Files withSEKISUI CHEMICAL CO LTD4
Top patents by PatentIndex Score
4 records- 0169USD876001SStrip member for pipesSEKISUI CHEMICAL CO LTD·Filed 2018·Granted Feb 18, 2020·14 cites·1 claims
- 0263US11015757B2Pipe-making apparatus and pipe-making methodSEKISUI CHEMICAL CO LTD·Filed 2017·Granted May 25, 2021·1 cites·11 claims
- 0339US11473714B2Strip member for spiral pipe and rehabilitation method of existing pipeSEKISUI CHEMICAL CO LTD·Filed 2018·Granted Oct 18, 2022·0 cites·7 claims
- 0438US10920918B2Pipe-making apparatus and pipe-making method for spiral pipeSEKISUI CHEMICAL CO LTD·Filed 2016·Granted Feb 16, 2021·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Yoshirou Sugiyama 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 →