Compound Predicate was first introduced explicitly in Hanashikotoba no Bunkei (2) [Research of Sentence Patterns in Colloquial Japanese (2)] which was written by researchers at National Language Research Institute.
Dr. Mikami, though having a deep insight into an intrinsic nature of the Japanese language, analyzes sentence
Otoosan wa nannichi mo kaette konai koto ga arimasu.
as
Otoosan ga nannichi mo kaette konai koto ga arimasu.
dependent clause subjective predicate
case
with the topicalization rule (otoosan ga→otoosan wa).
It is contrary to the analysis on the base of Compound Predicate:
Otoosan wa nannichi mo kaette konai koto ga arimasu.
subject compound predicate
Mr. Oyakawa, while studying on the sika-nai construction, came to the idea of Compound Predicate. The author of the present paper concludes that the validity of a part of Compound Predicate proposed in Hanashikotoba no Bunkei (2) was verified by Mr. Oyakawa's study.