Pinball (NES)
(Source 1: Satoru Iwata and Pinball)
During GDC Keynote: Heart of a Gamer: Iwata mentioned he "repaired" the program on NES Pinball after it fell behind schedule.
(Source 2: Tadashi Sugiyama and Pinball)
Iwata Asks: Wii Fit; Iwata reveals that Sugiyama designed the first Nintendo game he programmed.
(Source 3: Yukio Kaneoka and Pinball)
(Source 4: T. Matsui and Pinball)
Revealed on Youtube Pinball NES Demo that he co-programmed with Satoru Iwata.
Kenji Miki (director) and Uemura (producer / manager) were in charge of all R&D2 games (non-miyamoto / non-yokoi games).
Iwata / HAL began co-programming or fixing games for Nintendo R&D2. (Golf, NES Open Tournament Golf, Pinball)