Inventor · disambiguated record
Eiichi Iishi
Also filed as: IISHI EIICHI
7 granted patents·44 citations·filing 2000–2003
83Inventor score
Top patents by PatentIndex Score
7 records- 0180US6552189B2Anhydrous mirtazapine crystals and process for preparing the sameSUMIKA FINE CHEMICALS CO LTD·Filed 2002·Granted Apr 22, 2003·10 cites·5 claims
- 0277US6495685B1Process for preparing piperazine derivativesSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Dec 17, 2002·10 cites·5 claims
- 0377US6376668B1Process for preparing pyridinemethanol compoundsSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Apr 23, 2002·16 cites·20 claims
- 0470US6723845B2Anhydrous mirtazapine crystals and process for preparing the sameSUMIKA FINE CHEMICALS CO LTD·Filed 2003·Granted Apr 20, 2004·4 cites·5 claims
- 0560US6437120B1Process for preparing pyridinemethanol compoundsSUMIKA FINE CHEMICALS CO LTD·Filed 2001·Granted Aug 20, 2002·2 cites·1 claims
- 0659US6660730B2Anhydrous mirtazapine and process for preparing the sameSUMIKA FINE CHEMICALS CO LTD·Filed 2001·Granted Dec 9, 2003·2 cites·39 claims
- 0751US7297790B2Anhydrous mirtazapine crystals and process for preparing the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Nov 20, 2007·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Eiichi Iishi 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 →