Inventor · disambiguated record
Yoshiyuki Hayakawa
Also filed as: HAYAKAWA YOSHIYUKI
4 granted patents·1 pending application·125 citations·filing 1986–2007
79Inventor score
Top patents by PatentIndex Score
5 records- 0189US5761874AConcrete form spacing fixtureFiled 1996·Granted Jun 9, 1998·72 cites·6 claims
- 0256US5632923AConcrete molding form memberFiled 1995·Granted May 27, 1997·21 cites·6 claims
- 0354US6296224B1Concrete form memberFiled 1999·Granted Oct 2, 2001·19 cites·7 claims
- 0447US2008011867A1Storage type water heating method and storage type water heaterARCHISCIENCE INC·Filed 2007·Application pending·0 cites
- 0544US4702927AMethod for drying water retentive substanceFUJI OIL CO LTD·Filed 1986·Granted Oct 27, 1987·13 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →