Overview
- 205 inspections across 198 sites are on record.
- 423 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-05-26.
At a glance
Inspections
205
Sites
198
Observations
423
Career since
Dec 2015
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Zankou Enterprises Inc. | 26 May 2026 | Foods & Cosmetics | |
| Soft Gel Technologies Inc | 12 May 2026 | Foods & Cosmetics | |
| Robinson Pharma, Inc. | 29 Apr 2026 | Foods & Cosmetics | View 483 → |
| Sunny Delight Beverage Company | 20 Apr 2026 | Foods & Cosmetics | |
| Natrol LLC | 9 Apr 2026 | Foods & Cosmetics |
Sites inspected
Zankou Enterprises Inc.Vernon, United States1 insp.
Soft Gel Technologies IncCommerce, United States1 insp.
Robinson Pharma, Inc.Santa Ana, United States1 insp.
Sunny Delight Beverage CompanyAnaheim, United States1 insp.
Natrol LLCSanta Fe Springs, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Grace P Santos10 shared
Trusten J Robles6 shared
Ashley S Ertzman5 shared
Ka L Wong5 shared
Nianna C Burns4 shared
Sean P Desbrow4 shared
Kimberly M Lichter4 shared
Trushani T Desai4 shared
Jonathan K Dare3 shared
Michael S Call3 shared
Full investigator report
Get the verbatim findings behind Joseph C Yen's 423 observations
Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.
- New inspections and Form 483s, mapped to the CFR citation
- Warning letter outcomes, and the citation patterns they repeat
- Their co-investigators, so no surprises about who shows up on site