To be honest, postwar Japan was, to a certain extent, a “highly efficient, strictly disciplined authoritarian state.” Its big-government, catch-up development strategy quickly transformed Japan from postwar ruins into a global hub for manufacturing and technology. However, its weaknesses were glaringly obvious: Japan was heavily controlled by the United States. As soon as the Americans sensed that certain Japanese industries were encroaching on U.S. dominance, they would swiftly impose punitive measures, effectively destroying the relevant Japanese sectors.
Are you Japanese? (Sarcasm)
To blame the US for all of Japan's economic issues would be ignoring their glaring self-owns in the last 40 years.
Did the US destroy the Japanese auto sector? No, they tried, but then just made the companies stronger. Honda only recently posted it's first annual loss in decades.
Semiconductors? No
Display panels? No
Consumer electronics? No
All of those industries were basically self immolated
Hydrogen cars, Plasma Display, imode, MiniDisc, the list of misses goes on
Basically once they reached the top, the appetite for risk disappeared. Once on the wrong course, they couldn't turn around
imode is a great contrast to what happened in China.
Here was a 3G system that was relatively advanced, could send pictures, VOD services, web browsing in the early 2000's. One of the most ubiquitous phones in the west at this time was the venerable Nokia 3360 with its monochrome screen. So Japan was way ahead at that time. 2008, the iPhone 3G drops and the rest is history. Japanese cell tech is just a footnote. Somehow imode is only slated to shutdown this year though.
China had its own bumpy ride with wireless tech at the time. Early 2000's, China develops its homegrown 3G standard TD-SCDMA. It's an early attempt at technological independence as it relied on domestic tech. It was slower and ultimately not even widely adopted domestically. However, it was able to quickly pivot to a domestic version of 4G LTE (LTE-TDD) which was more easily integrated into modems without special chipsets (a factor that doomed TD-SCDMA). LTE-TDD was successfully adopted outside of China and the expertise allowed China to take a leadership role in 5G tech.