# clm_D4E43C41EA53

subject: Preferred Networks (/record/preferred-networks.md)  
predicate: partnership  
value: Kao Corporation  
valid_from: 2019-11-20  
valid_to: null  
published: 2019-11-19  
recorded: 2026-11-08  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-09  
cite: AsOf. "Preferred Networks partnership: Kao Corporation", as of 2019-11-20. Claim clm_D4E43C41EA53, https://asof.is/claim/clm_D4E43C41EA53, accessed 2026-11-10. Source: https://www.preferred.jp/en/news/pr20191120.  
checked: 2026-11-09 · its source page states the value and the date  

> November 20, 2019, Tokyo Japan – Kao Corporation and Preferred Networks, Inc. launch a collaborative project named “Kao X PFN Sebum RNA Project” with the objective of putting into practical use the technology which Kao has developed to monitor RNA (ribonucleic acid) in sebum.

What https://www.preferred.jp/en/news/pr20191120 says, word for word.

## Sources

- https://www.preferred.jp/en/news/pr20191120 (primary, Preferred Networks, published 2019-11-19)

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
