Inventor · disambiguated record

Takakazu Koyama

Also filed as: KOYAMA TAKAKAZU

1 granted patent·1 pending application·0 citations·filing 2021–2023

4Inventor score

Technology areasF01N

Files withNGK INSULATORS LTD2

Top patents by PatentIndex Score

2 records

0146US2024255408A1Inspection device and inspection method for pillar shaped honeycomb filterNGK INSULATORS LTD·Filed 2023·Application pending·0 cites
0243US11662293B2Inspection method for pillar-shaped honeycomb filterNGK INSULATORS LTD·Filed 2021·Granted May 30, 2023·0 cites·9 claims

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