Company
Inprentus
Custom Blazed Gratings Built for Your Optics
- Status
- Operatingas of 2026-09-22
- Business model
- B2B
- Headquarters
- Champaign, IL, United States
- Founded
- 2012
- Customers
- research, industry, and advanced optical systems
- Legal name
- Inprentus, Inc.
Record updated 28 September 2026
About
Founded in 2012 by University of Illinois Urbana-Champaign physics professor Peter Abbamonte, Inprentus commercialized a dual-atomic microscope scribing technology for nano-scale lithography and precision grating manufacturing. Today, Inprentus provides custom-blazed diffraction grating solutions for research, industry, and advanced optical systems.
Funding snapshot
- Total raised
- $6.3MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
- Latest round
- Round2024-09-27
Funding rounds
- Round, 2024
- 2024-09-27
- Round, 2023
- 2023-05-12
- Round, 2022
- $92.2K2022-05-03, SEC form D sold, 3 investors
- Round, 2021
- 2021-09-10
- Round, 2020
- $125K2020-09-30, SEC form D sold, 2 investors
- Round, 2019
- $1.4M2019-09-04, SEC form D sold, 14 investors
- Round, 2019
- $1.1M2019-08-22, SEC form D sold, 13 investors
- Round, 2018
- $429K2018-12-24, SEC form D sold, 11 investors
- Round, 2017
- $2.5M2017-02-10, SEC form D sold, 17 investors
- Round, 2015
- $485K2015-12-02, SEC form D sold, 5 investors
- Round, 2015
- $125K2015-03-18, SEC form D sold, 1 investor
- Round, 2013
- $36K2013-04-12, SEC form D sold, 1 investor
Products
- Hardware
- AR Waveguide Blazed Diffraction Grating Masters
- Hardware
- Semiconductor Blazed Diffraction Gratings
- Hardware
- Spectroscopy Blazed Diffraction Grating Masters
- Hardware
- Synchrotron and FEL Blazed Diffraction Gratings