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Kioxia owes Viasat $229 million for infringing flash-memory patents, US jury says

By Thomson Reuters Jul 16, 2026 | 6:37 PM

By Blake Brittain

July 16 (Reuters) – A federal jury in Waco, Texas said on Thursday that ​Japanese chipmaker Kioxia owes ‌satellite-communications company Viasat $229 million for infringing a patent covering computer memory technology, according to a court document.

• The jury determined ‌that ​Kioxia’s flash-memory devices ⁠violate Viasat’s patent ⁠rights in technology that allows such devices to consume less power and improves their reliability and ​longevity.

• Spokespeople for the companies did not immediately respond ⁠to requests for ⁠comment on the verdict.

• Carlsbad, ​California-based Viasat said it developed improvements ​to flash-memory technology – which stores ‌data on transistors using electrical charges – while designing error-correction systems for satellites.

• Viasat alleged that Kioxia’s ⁠flash-memory devices include error-correction technology that works in the same way as its ⁠patented ‌technology.

• Kioxia denied the ⁠allegations and argued that ​the ‌patent was invalid.

• Viasat has ​brought ⁠similar allegations against data-storage company Western Digital in a separate lawsuit that is still ongoing.

(Reporting by Blake Brittain in Washington; Editing by ​Sonali Paul)