Inventor · disambiguated record
Shigeki Watari
Also filed as: WATARI SHIGEKI
3 granted patents·33 citations·filing 1988–1992
69Inventor score
Files withOSAKA BOSUI KENSETSUSHA KK3
Top patents by PatentIndex Score
3 records- 0166US4956041AMethod of lining branch pipe portion of underground main pipe with rigid plastics tubeOSAKA BOSUI KENSETSUSHA KK·Filed 1988·Granted Sep 11, 1990·21 cites·4 claims
- 0243US5108228AMethod of lining branch pipe portion of underground main pipe with rigid plastics tubeOSAKA BOSUI KENSETSUSHA KK·Filed 1990·Granted Apr 28, 1992·10 cites·2 claims
- 0326US5293932AApparatus for cutting off projections inside pipesOSAKA BOSUI KENSETSUSHA KK·Filed 1992·Granted Mar 15, 1994·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →