Inventor · disambiguated record
Eri Hirayama
Also filed as: HIRAYAMA Eri
1 granted patent·2 pending applications·0 citations·filing 2014–2014
7Inventor score
Top patents by PatentIndex Score
3 records- 0152US10508318B2Method for thermally treating ring-shaped memberNTN TOYO BEARING CO LTD·Filed 2014·Granted Dec 17, 2019·0 cites·4 claims
- 0245US2016230243A1Heat treatment method for ring-shaped member and heat treatment equipment for ring-shaped memberNTN TOYO BEARING CO LTD·Filed 2014·Application pending·0 cites
- 0334US2016208353A1Heat treatment method for ring-shaped member and heat treatment equipment for ring-shaped memberHIRAOKA TSUNEAKI·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →