TOKYO— A Japanese court will on Thursday deliver its verdict on former Nissan Motor director Greg Kelly who is accused of helping the automaker’s ousted chairman, Carlos Ghosn, hide $80 million of income from financial regulators. The judgment, which comes after an 18-month trial and more than three years since Kelly’s arrest alongside Ghosn, maybe the closest a Japanese court gets to ruling on the culpability of Nissan’s ex-chairman in alleged financial crimes. Kelly has taken center stage in the Tokyo District Court because Ghosn is beyond the reach of Japanese prosecutors after fleeing to Lebanon in 2019 hidden in a box on a private jet. Kelly has sat through months of testimony from ex-Nissan colleagues including former CEO Hiroto Saikawa, and senior legal affairs executive Hari Nada, with prosecutors submitting emails and stacks of documents they say show Kelly illegally devised ways to defer payments to his boss. The …