Inventor · disambiguated record
Akio Tsumuji
Also filed as: TSUMUJI AKIO
6 granted patents·108 citations·filing 1990–1995
83Inventor score
Technology areasG08B
Files withNOHMI BOSAI LTD6
Top patents by PatentIndex Score
6 records- 0178US5151683APower supply control device in fire alarm systemNOHMI BOSAI LTD·Filed 1990·Granted Sep 29, 1992·67 cites·4 claims
- 0241US5493271AFire alarm systemNOHMI BOSAI LTD·Filed 1993·Granted Feb 20, 1996·12 cites·2 claims
- 0340US5461370AFire alarm systemNOHMI BOSAI LTD·Filed 1993·Granted Oct 24, 1995·10 cites·6 claims
- 0439US5086293ALine interruption supervisory device for a fire alarm systemNOHMI BOSAI LTD·Filed 1990·Granted Feb 4, 1992·10 cites·9 claims
- 0536US5083107AFire alarm systemNOHMI BOSAI LTD·Filed 1990·Granted Jan 21, 1992·9 cites·16 claims
- 0625US5602374AFire receiver in fire alarm systemNOHMI BOSAI LTD·Filed 1995·Granted Feb 11, 1997·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Akio Tsumuji 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 →