Thanks for the link to history on both Austin and English Fords Bill!
Very thorough, but I'm surprised that the author overlooked one major item in Austin's history. Austin of England sent engineers and equipment to Japan to help build Austins there.
Here's a thread from Nissan's history:
"Austin Motor CompanyIn early 1950s, Nissan partnered with an established European company to gain access to up-to-date automobile and engine designs. Nissan chose Austin of the United Kingdom, which later became the British Motor Corporation by its merger with Morris et al. Nissan began building Austin 7s in 1930, though the legitimacy of their license at that time is debated. After the success of Nissan, Hino and Isuzu followed to partner with Renault and Hillman respectively.
In 1952 Nissan Motor Company of Japan entered into a legal agreement with Austin, for Nissan to assemble 2,000 Austins from imported partially assembled sets and sell them in Japan under the Austin trademark. The agreement called for Nissan to make all Austin parts locally within three years, a goal Nissan met. Nissan produced and marketed Austins for seven years. The agreement also gave Nissan rights to use Austin patents, which Nissan used in developing its own engines for its Datsun line of cars. In 1953 British-built Austins were assembled and sold, but by 1955, the Austin A50 – completely built by Nissan and featuring a slightly larger body with new 1489 cc engine—was on the market in Japan. Nissan produced 20,855 Austins from 1953–1959.
Nissan leveraged the Austin patents to further develop their own modern engine designs past what the Austin's A- and B-family designs offered. The apex of the Austin-derived engines was the new design A series engine in 1967. Also in 1967 Nissan introduced its new highly advanced four cylinder overhead cam (OHC) Nissan L engine, which while similar to Mercedes-Benz OHC designs was a totally new engine designed by Nissan. This engine powered the new Datsun 510, which gained Nissan respect in the worldwide sedan market. Then, in 1969 Nissan introduced the Datsun 240Z sports car which used a six-cylinder variation of the L series engine. The 240Z was an immediate sensation and lifted Nissan to world class status in the automobile market."