Toshiba Told Him To Erase This Idea. He Didn't

In 1980, a Toshiba engineer named Fujio Masuoka designed a memory chip that could erase a whole block of data in one flash. His company wasn't interested. Forbes later reported that Toshiba rewarded him with a bonus worth a few hundred dollars. Four years later, he presented the idea at a conference in San Francisco. Intel's engineers first thought it would be too hard to build. In 1988, Intel was selling it. Today that idea, flash memory, holds the photos on your phone, the files on your SSD and the data behind the AI boom. In 2026, Kioxia, the company Toshiba's memory business became, took in about 1.77 trillion yen in a single quarter. This is the story of the chip inside your phone, the engineer who invented it, and the lawsuit that followed. In this documentary: Why memory in 1980 either forgot everything, had moving parts or cost too much The floating gate idea from Bell Labs (Kahng and Sze, 1967) How one transistor per bit made flash cheap Why a colleague named it after a camera flash Toshiba's reaction, and the bonus Forbes reported The 1984 paper in San Francisco and Intel's first flash chip in 1988 NAND flash, the denser design inside every phone The 2004 lawsuit and the 87 million yen settlement Intel's 9 billion dollar exit, Toshiba's 2 trillion yen sale, and Kioxia's 2026 boom Watch the story of the MOSFET, the switch this chip is built from: [add link to "Is This The Most Manufactured Thing In Human History?"] Was 87 million yen fair? Should an invention belong to the engineer or to the company? Tell me in the comments. And if I got a date, a number or a name wrong, tell me there too. I read every comment and I pin corrections. Parts That Changed History tells the stories behind the chips, machines and software that shaped the modern world, and the people who built them. Subscribe for a new story every day. 0:00 The Forgotten Engineer in San Francisco 2:32 The Limitations of 1970s Computing 4:49 The Man Behind the Flash 6:17 The Birth of a New Concept 10:17 From NOR to NAND Flash 14:02 The High Cost of Invention #FlashMemory #Toshiba #Intel #NAND #SSD #Kioxia #Semiconductor #ComputerHistory #TechHistory #Microchip #Electronics #MOSFET #Documentary #PartsThatChangedHistory