Inventor · disambiguated record
Tamio Yamagiwa
Also filed as: YAMAGIWA TAMIO
3 granted patents·38 citations·filing 1982–1989
70Inventor score
Files withHI SONIC CO LTD3
Top patents by PatentIndex Score
3 records- 0158US4444222AAutomatic liquid-supply stopper plugHI SONIC CO LTD·Filed 1982·Granted Apr 24, 1984·15 cites·15 claims
- 0245US5024254ALiquid shut-off valveHI SONIC CO LTD·Filed 1989·Granted Jun 18, 1991·15 cites·1 claims
- 0337US4522226AValve for automatic stoppage of water supplyHI SONIC CO LTD·Filed 1984·Granted Jun 11, 1985·8 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Tamio Yamagiwa 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 →