Asianometry Toshiba’s Breakthrough Laptop PC
22 snips
Jan 25, 2026 A look back at how portable computing moved from clunky luggables and tiny palmtops to a practical, mass-market laptop. The story follows Toshiba’s secret project, engineering choices like 3.5" disks, and clever product moves that reshaped design and tariffs. It traces rapid lineup expansion, battery and size breakthroughs, and the long ripple effects on the PC market.
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Secretly Funding The Prototype
- Mizuguchi and Masaichi Koga secretly diverted resources from military projects to fund a laptop task force.
- The prototype completed in August 1984 weighed ~4.1 kg and included a CMOS 80C88, built-in disk, and monochrome LCD.
Nishida's Seven Prototypes Bet
- Atsutoshi Nishida promised to sell 10,000 units and convinced HQ to allow seven prototypes after diverting his marketing budget.
- He marketed the pitch as "Desktop from IBM and Laptop from Toshiba" to IBM dealers in Europe.
Persist To Secure Software Support
- Persist until key software vendors support your hardware format, even if initial meetings fail.
- Nishida repeatedly visited Lotus and secured a 3.5" version of Lotus 1-2-3, unlocking software compatibility.
