Inventor · disambiguated record

Naoki Ohkuma

Also filed as: OHKUMA NAOKI

2 granted patents·17 citations·filing 2001–2001

58Inventor score

Technology areasB01D

Files withHITACHI PLAN ENGINEERING & CON1 HITACHI PLANT ENG & CONSTR CO1

Top patents by PatentIndex Score

2 records

0154US6627080B2Flat membrane diskHITACHI PLANT ENG & CONSTR CO·Filed 2001·Granted Sep 30, 2003·8 cites·6 claims
0251US6596164B2Rotary flat membrane separation apparatusHITACHI PLAN ENGINEERING & CON·Filed 2001·Granted Jul 22, 2003·9 cites·1 claims

Join the waitlist — get patent alerts

Get an alert when Naoki Ohkuma 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 →

Naoki Ohkuma — Patent Inventor | PatentIndex