Inventor · disambiguated record
Hisayoshi Yamaguchi
Also filed as: YAMAGUCHI HISAYOSHI
7 granted patents·111 citations·filing 1977–1990
86Inventor score
Top patents by PatentIndex Score
7 records- 0169US4243473AMethod for detecting crystal defects in semiconductor silicon and detecting solution thereforSHIN ETSU HANDATAI CO LTD·Filed 1977·Granted Jan 6, 1981·20 cites·2 claims
- 0258US5082575AMethod for fire-extinguishment on hardly extinguishable burning materialsSHINETSU HANDOTAI KK·Filed 1990·Granted Jan 21, 1992·30 cites·7 claims
- 0351US4915853AMethod for fire extinguishment of hardly extinguishable dangerous materialSHINETSU HANDOTAI KK·Filed 1988·Granted Apr 10, 1990·18 cites·14 claims
- 0450US5053146AMethod for extinguishment of metal fire and fire extinguishing agent thereforSHINETSU HANDOTAI KK·Filed 1990·Granted Oct 1, 1991·21 cites·2 claims
- 0544US4830762AMethod for fire extinguishment of liquid chlorosilane compoundSHINETSU HANDOTAI KK·Filed 1987·Granted May 16, 1989·15 cites·5 claims
- 0635US4838946AAbsorbent of chlorosilane compoundSHINETSU HANDOTAI KK·Filed 1988·Granted Jun 13, 1989·5 cites·1 claims
- 0721US4879050AMethod for fire extinguishment of chlorosilanesSHIN ETSU HANDOTA CO LTD·Filed 1988·Granted Nov 7, 1989·2 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Hisayoshi Yamaguchi 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 →