Inventor · disambiguated record
Norifumi Maeda
Also filed as: MAEDA NORIFUMI
7 granted patents·1 pending application·201 citations·filing 2000–2013
87Inventor score
Files withHITACHI LTD8
Top patents by PatentIndex Score
8 records- 0196US6723826B2Production process and production apparatus for polybutylene terephthalateHITACHI LTD·Filed 2003·Granted Apr 20, 2004·51 cites·8 claims
- 0296US6359106B1Production process and production apparatus for polybutylene terephthalateHITACHI LTD·Filed 2000·Granted Mar 19, 2002·63 cites·11 claims
- 0393US6458916B1Production process and production apparatus for polybutylene terephthalateHITACHI LTD·Filed 2001·Granted Oct 1, 2002·47 cites·16 claims
- 0489US6590062B2Production process and production apparatus for polybutylene terephthalateHITACHI LTD·Filed 2002·Granted Jul 8, 2003·30 cites·2 claims
- 0566US7057007B2Process for continuously producing polybutylene terephthalateHITACHI LTD·Filed 2002·Granted Jun 6, 2006·5 cites·2 claims
- 0665US7204962B2Production apparatus for polybutylene terephthalateHITACHI LTD·Filed 2001·Granted Apr 17, 2007·5 cites·6 claims
- 0748US7179433B2Production process and production apparatus for polybutylene terephthalateHITACHI LTD·Filed 2004·Granted Feb 20, 2007·0 cites·9 claims
- 0847US2014024793A1Polyester production process and apparatusHITACHI LTD·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Norifumi Maeda 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 →