Inventor · disambiguated record
Hamao Yamashiro
Also filed as: YAMASHIRO HAMAO
3 granted patents·69 citations·filing 1995–2001
72Inventor score
Top patents by PatentIndex Score
3 records- 0170US5799701AMethod of and an apparatus for lining a pipelineSEIKISUI CHEMICAL CO LTD·Filed 1995·Granted Sep 1, 1998·41 cites·20 claims
- 0262US7186060B2Method and device for lining construction in sewer followed by simultaneous filling of back-fill materialSEKISUI CHEMICAL CO LTD·Filed 2001·Granted Mar 6, 2007·7 cites·28 claims
- 0351US6234226B1Apparatus for lining an inner face of tubular culverts having arbitrary cross sectionSEIKISUI CHEMICAL CO LTD·Filed 1998·Granted May 22, 2001·21 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →