Inventor · disambiguated record

Akira Sayama

Also filed as: SAYAMA AKIRA

2 granted patents·0 citations·filing 2016–2017

23Inventor score

Technology areasC21D F02F

Files withTPR CO LTD2

Top patents by PatentIndex Score

2 records

0160US10428407B2Cylindrical member made of flake graphite cast ironTPR CO LTD·Filed 2016·Granted Oct 1, 2019·0 cites·20 claims
0240US10596624B2Cast-iron cylindrical member and composite structureTPR CO LTD·Filed 2017·Granted Mar 24, 2020·0 cites·18 claims

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