Inventor · disambiguated record
Akihito Totsugi
Also filed as: TOTSUGI AKIHITO
4 granted patents·70 citations·filing 1998–2008
76Inventor score
Top patents by PatentIndex Score
4 records- 0173US6019396APipe connecting apparatusWATERWORKS TECHNOLOGY DEV ORG·Filed 1998·Granted Feb 1, 2000·44 cites·20 claims
- 0259US8186648B2Method of shutting off conduit and pipe conduit shutoff apparatusSAKAI ATSUSHI·Filed 2008·Granted May 29, 2012·2 cites·4 claims
- 0356US6659511B2Flexible fluid-transport pipe joint apparatusWATERWORKS TECHNOLOGY DEV ORG·Filed 2001·Granted Dec 9, 2003·18 cites·7 claims
- 0451US6773040B2Spacer-less type pipe joint and packing ring used for the sameWATERWORKS TECHNOLOGY DEV ORG·Filed 2002·Granted Aug 10, 2004·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →