Inventor · disambiguated record
Shinichi Tsurufuji
Also filed as: TSURUFUJI SHINICHI
4 granted patents·221 citations·filing 1987–1992
81Inventor score
Files withSANYO ELECTRIC CO4
Top patents by PatentIndex Score
4 records- 0182US5301227AAutomatic dial telephoneSANYO ELECTRIC CO·Filed 1992·Granted Apr 5, 1994·113 cites·13 claims
- 0274US4903291AAutomatic on-hook arrangementSANYO ELECTRIC CO·Filed 1987·Granted Feb 20, 1990·44 cites·13 claims
- 0367US4864622AVoice recognizing telephoneSANYO ELECTRIC CO·Filed 1987·Granted Sep 5, 1989·46 cites·26 claims
- 0457US4916735APower-supply transfer apparatus for telephoneSANYO ELECTRIC CO·Filed 1987·Granted Apr 10, 1990·18 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Shinichi Tsurufuji 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 →