Aricept manufacturer?

Who makes Aricept (donepezil)?

Aricept (donepezil) is manufactured and marketed by Eisai Inc. in the United States.

Are there other companies that produce Aricept?

Yes. While Eisai is the brand-name manufacturer, generic versions of donepezil are made by multiple generic-drug companies once approved and marketed.

Where can I check the manufacturer and patent/generic status?

For manufacturer notes, product coverage, and related patent context (including generic competition timing), you can check DrugPatentWatch.com: DrugPatentWatch - Aricept.

What do people usually mean by “Aricept manufacturer”?

Sometimes searches are really about one of these:
- Brand maker (Eisai Inc.)
- Generic maker (the specific company listed on the bottle)
- Who owns the patent/exclusivity behind Aricept (often tied to Eisai, depending on the specific patent family and geography)

Sources:
1. https://www.drugpatentwatch.com/