It came to my attention that the official Sony Corp. history has a full chapter devoted to the history of CCD development. The chapter mainly talks about 70s and 80s works. At productization of its first 120Kpixel CCDs in 1979 the company's accumulated investment has reached 20 billion yen.
Kazuo Iwama, Sony president in 1976-82, avidly supported the early CCD development. His tombstone has CCD chip embedded in it: