IP Library › Granted Patent US 12,717,872
Granted Patent B2
US 12,717,872 · App. 17/903,201 · Granted Aug 25, 2026

Switched spatial tensor data manipulation with photonics

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,717,872
App. No.
17/903,201
Filed
Sep 6, 2022
Granted
Aug 25, 2026
Kind
B2
Art Unit
2151
USPC
708/520
Assignments (4)
TERMINATION OF IP SECURITY AGREEMENT Recorded Nov 5, 2024
From: EASTWARD FUND MANAGEMENT, LLC
To: LIGHTMATTER, INC.
Reel/Frame 069304/0700 →
RELEASE OF SECURITY INTEREST Recorded Mar 31, 2023
From: EASTWARD FUND MANAGEMENT, LLC
To: LIGHTMATTER, INC.
Reel/Frame 063209/0966 →
SECURITY INTEREST Recorded Dec 27, 2022
From: LIGHTMATTER, INC.
To: EASTWARD FUND MANAGEMENT, LLC
Reel/Frame 062230/0361 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 27, 2022
From: HARRIS, NICHOLAS C.; RAMEY, CARL; BUNANDAR, DARIUS; BASUMALLIK, AYON
To: LIGHTMATTER, INC.
Reel/Frame 061222/0800 →
Continuity (2)
Provisional Application 63241455 · Sep 7, 2021
Related Publication 20230071600A1 · Mar 9, 2023
References Cited (11)
US 6898013B2 · Hall · 2005 [cited by examiner]
US 10803259B2 · Kenney et al. · 2020 [cited by applicant]
US 11093215B2 · Harris et al. · 2021 [cited by applicant]
US 11218227B2 · Bunandar et al. · 2022 [cited by applicant]
US 20040264847A1 · Koh · 2004 [cited by examiner]
US 20210405682A1 · Gould et al. · 2021 [cited by applicant]
Qiao, Chunming, and Rami G. Melhem. “Time-division optical communications in multiprocessor arrays.” Proceedings of the 1991 ACM/IEEE conference on Supercomputing. 1991. (Year: 1991). [cited by examiner]
Qiao, Chunming. “Efficient matrix operations in a reconfigurable array with spanning optical buses.” Proceedings Frontiers' 95. The Fifth Symposium on the Frontiers of Massively Parallel Computation. IEEE, 1995. (Year: … [cited by examiner]
Yang, Lin, et al. “On-chip CMOS-compatible optical signal processor.” Optics express 20.12 (2012): 13560-13565. (Year: 2012). [cited by examiner]
Peserico, Nicola, Bhavin J. Shastri, and Volker J. Sorger. “Integrated photonic tensor processing unit for a matrix multiply: a review.” Journal of Lightwave Technology 41.12 (2023): 3704-3716. (Year: 2023). [cited by examiner]
Feldmann, Johannes, et al. “Parallel convolutional processing using an integrated photonic tensor core.” Nature 589.7840 (2021): 52-58. (Year: 2021). [cited by examiner]