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Company

Inprentus

Rocket Ship RatingBased on the data VC Catalog holds.

Rocket Ship Rating: 85 out of 100

Custom Blazed Gratings Built for Your Optics

  • Advanced manufacturing
  • Semiconductors & computing hardware
  • Deeptech
  • Hardware
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.
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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
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