Inventor · disambiguated record
Yoshinobu Ishido
Also filed as: ISHIDO YOSHINOBU
3 granted patents·181 citations·filing 1981–1982
78Inventor score
Technology areasC09K
Files withHAYAKAWA RUBBER3
Top patents by PatentIndex Score
3 records- 0195US4449713AAqueously-swelling water stopper and a process of stopping water therebyHAYAKAWA RUBBER·Filed 1982·Granted May 22, 1984·104 cites·4 claims
- 0286US4366284AAqueously-swelling water stopper and a process of stopping water therebyHAYAKAWA RUBBER·Filed 1981·Granted Dec 28, 1982·40 cites·7 claims
- 0384US4443019AAqueously-swelling water stopper and a process of stopping water therebyHAYAKAWA RUBBER·Filed 1982·Granted Apr 17, 1984·37 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →