Inventor · disambiguated record

Sigeharu Isayama

Also filed as: ISAYAMA SIGEHARU

1 granted patent·9 citations·filing 1977–1977

31Inventor score
Technology areasA47J
Files withTOYO PRESS CO1

Top patents by PatentIndex Score

1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →