Inventor · disambiguated record
Ryuji Shutoku
Also filed as: SHUTOKU RYUJI
4 granted patents·183 citations·filing 1990–1990
80Inventor score
Technology areasG08B
Files withNOHMI BOSAI LTD4
Top patents by PatentIndex Score
4 records- 0181US4996518AFire alarm systemNOHMI BOSAI LTD·Filed 1990·Granted Feb 26, 1991·97 cites·21 claims
- 0278US5151683APower supply control device in fire alarm systemNOHMI BOSAI LTD·Filed 1990·Granted Sep 29, 1992·67 cites·4 claims
- 0339US5086293ALine interruption supervisory device for a fire alarm systemNOHMI BOSAI LTD·Filed 1990·Granted Feb 4, 1992·10 cites·9 claims
- 0436US5083107AFire alarm systemNOHMI BOSAI LTD·Filed 1990·Granted Jan 21, 1992·9 cites·16 claims
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