E. Kumacheva, Z. Chen, T. Deisenroth, V. Andre. Skin spheroids and process of preparation and use thereof. International Application No. PCT/US21/58313 2021

E. Kumacheva. Microfluidic Platform for the Rapid Production of Organoids/Spheroids for Compound Screening. US Prov. Patent App. 62/532,723 filed 14.07.2017

H. Stone, S. Anna, N. Bontoux, D. Link, D. Weitz, I. Gitlin, E. Kumacheva, P. Garstecki, R. Diluzio. Method and Apparatus for Fluid Dispersion. US 8,986,628 B2, Publication date 24.03.2015

M. Abolhasani, Y. Hassan, G. D. Scholes, E. Kumacheva and A. Guenther. Microreactor Pen for Mass Transfer and Colloidal Materials Preparation. US Prov. Patent App. 61817454, filed 30.04.2013

J. Greener, E. Kumacheva. Microfluidic Device and System with Optical Evanescent Coupling Element. PCT/CA2011/050176, filed 31/03/2010

E. Kumacheva, J. Greener, W. Li. Method for Producing a Stamp for Hot Embossing. US patent application Filed filed 3/02/2010

E. Kumacheva. Microfluidic Reactors for Scaled Up Synthesis of Polymers Colloids. PCT/CA2008/001073, filed 06/05/2008

E. Kumacheva; S. Xu, Z. Nie, M. Seo, P. Lewis. Method of Producing Polymeric Particles with Selected Size, Shape, Morphology and Composition. PCT/CA2005/000627, filed 04/25/2005; Canada patent #2563836, issued 14/06/2011

E. Kumacheva, S. Xu, Z. Nie, M. Seo, P.C. Lewis, H. Zhang. Method for Production of Monodisperse Particles with Controlled Sizes and Shapes. US patent application filed 30/04/05

E.Kumacheva; Method of Producing Hybrid Polymer-Inorganic Materials. US patent #7820737, issued 10/26/2010

H. Stone, S. L. Anna, N. Bontoux, D. A. Weitz, I. Gitlin, P. Garstecki, W. Diluzio, E. Kumacheva, G.M. Whitesides; Method and Apparatus for Fluid Dispersions. US patent #7708949, issued 04/05/2010

E. Kumacheva; H. Pham; I. Gourevich. Multicolored Polymer Nanocomposites for 3D Memory Storage and Security Needs. US patent #6974618, issued 13/12/2005

E. Kumacheva; R. K. Golding; M. Allard; E.H. Sargent. Methods of Crystal Growth on Patterned Surfaces. US patent #6846578

E. Kumacheva; O. Kalinina. Method and Composition for Polymeric Nanocomposite Materials with a Functional Matrix. US patent #6785214, issued 08/31/2004

E. Kumacheva; O.Kalinina, D. Miller, B. Siwick, J. Noolandi. Three-Dimensional Memory Storage. US patent #6846578

E. Kumacheva; Polymer-Based Nanocomposite Materials for Multiple Use and a Method of Reading and Writing Thereto. US patent #6785214

E. Kumacheva; J. Noolandi; O. Kalinina Core and Shell Matrix Compositions and Processes. US patent #6325957

E. Kumacheva; O. Kalinina. Method of Producing Three-Dimensional Assembly of Particles in Ordered Arrays. US patent #6325957

E. Kumacheva; J. Noolandi, O.Kalinina. Processes and Compositions. US Patent #5952131

E. Kumacheva; Method of Producing Polymer-Based Nanocomposites. US patent application filed 22/02/2000

Kumacheva; G. A. Vedenov; E. V. Veselovskaya; N. N.Severova, Composition for Coatings. US patent #1173740

E. Kumacheva, S. Xu, Z. Nie, M. Seo, P.C. Lewis, H. Zhang. Method for Production of Monodisperse Particles with Controlled Sizes and Shapes. US patent application filed 30/04/05