Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

Assignment history

Inventors

The named inventors for US Patent 12158289 are Yu Dong Ma, Yang Liu, Francesco Borrelli, Allan Daly, Ricardo Delgado-Nanez, and Alexander W. Au. Based on the patent application being filed by Nextracker LLC and subsequent assignments to Nextracker Inc./LLC, it is highly probable that these inventors were employed by Nextracker LLC or its related entities at the time of filing.

Original assignee

The original assignee, as listed on the patent application, was Nextracker LLC. Nextracker LLC, which has since rebranded as Nextpower Inc. as of November 12, 2025, is a public company. It is a leading provider of integrated utility-scale solar platform solutions, including solar trackers and software. The company designs, manufactures (through partners), and sells solar tracker systems such as NX Horizon and NX Gemini, and software solutions like TrueCapture, which enable solar panels to follow the sun's movement to optimize energy yield. Nextpower Inc. is actively operating and publicly traded on Nasdaq under the symbol NXT.

Assignment timeline

A search for US Patent 12158289 and its application number US18/365,614 on the USPTO Patent Assignment Search (https://assignmentcenter.uspto.gov/) on 2026-06-03 yielded no recorded assignments. Therefore, there are no publicly recorded assignments for this specific patent number in the specified primary source.