Inventor · disambiguated record

Masao Takeyama

Also filed as: TAKEYAMA MASAO

6 granted patents·4 pending applications·30 citations·filing 19922023

76Inventor score
Technology areasB21JC22CC22FC21DF01K
Files withMITSUBISHI HEAVY IND LTD3IHI CORP2KOBE STEEL LTD2JFE STEEL CORP1MARTIN MARIETTA ENERGY SYSTEMS1

Top patents by PatentIndex Score

10 records

Join the waitlist — get patent alerts

Get an alert when Masao Takeyama files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

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