Andrew J Zhou

US Patent:

20120323658, Dec 20, 2012

Filed:

Jun 16, 2011

Appl. No.:

13/161501

Inventors:

Dylan T. X ZHOU - San Gabriel CA, US
Andrew H.B ZHOU - Tiburon CA, US
Tiger ZHOU - Tiburon CA, US

International Classification:

G06Q 30/00

US Classification:

705 1423, 705 1439

Abstract:

Embodiments of computer implemented systems and methods for providing discount offers via an internet directory interface are described. One example method includes receiving, from a user, via a user interface, a request to search for one or more discount offers associated with a product, the request being associated with search criteria, facilitating the search for the one or more discount offers through an integrated search engine based on the search criteria, providing search results, the search results including one or more discount offers for the one or more products, receiving, from the user, a selection of a product from the search results, the selection of the product including a product quantity, and providing the user with a specific discount offer for the product based on the selection. The method may further include providing a payment functionality to process a transaction associated with a purchase of the product with the specific discount from a merchant associated with the product, the payment functionality including one or more means of payment. The method may further include sending voucher codes to the user and the merchant.

US Patent:

20210292718, Sep 23, 2021

Filed:

Mar 12, 2021

Appl. No.:

17/200394

Inventors:

- Pasadena CA, US
Noah P. Dunham - Pasadena CA, US
Daniel J. Wackelin - Pasadena CA, US
Andrew Z. Zhou - Pasadena CA, US
Zhen Liu - Pasadena CA, US

Assignee:

California Institute of Technology - Pasadena CA

International Classification:

C12N 9/02
C12P 17/04
C12P 17/16
C12P 7/62

Abstract:

The present disclosure provides cytochrome P450 variants useful for carrying out in vivo and in vitro carbene insertion reactions. Methods for preparing carbene insertion products including cyclopropenes, cyclopropanes, bicyclobutanes, substituted lactones, cyclized compounds, and substituted amines are also described.