Inventor · disambiguated record
Yonekazu Yamada
Also filed as: YAMADA YONEKAZU
2 granted patents·59 citations·filing 1985–1992
65Inventor score
Technology areasF16L
Files withSEIKISUI CHEMICAL CO LTD2
Top patents by PatentIndex Score
2 records- 0163US4670207AMethod of bonding plastic pipesSEIKISUI CHEMICAL CO LTD·Filed 1985·Granted Jun 2, 1987·30 cites·8 claims
- 0258US5445309AMethod for making a joint between a main pipe and a branch pipe and apparatus for use in the methodSEIKISUI CHEMICAL CO LTD·Filed 1992·Granted Aug 29, 1995·29 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →