1979年,日本最高法院的判决首次承认集合动产让与担保法。特别是近十年以来,有关集合动产让与担保的判决频频出现。由此,有关集合动产让与担保的法律问题被逐渐阐明。本文会对日本的有关集合动产让与担保的判例的发展进行概述,并根据需要对学说进行诠释。在以下的说明之前,作为对集合动产让与担保进行议论的前提,会在此对日本的让与担保的法律构成进行确认。判例在承认有关让与担保的所有 In 1979, the judgment of the Supreme Court of Japan recognized for the first time the collective transfer of movable property and security law. Especially in the last ten years, judgments on the transfer and guarantee of collective chattel have appeared frequently. As a result, legal issues concerning the transfer and guarantee of collective chattel were gradually clarified. This article provides an overview of the development of Japan’s jurisprudence on the transfer of assignments and guarantees, and explains the doctrine as needed. Prior to the instructions below, as a precondition for the discussion of collective chattel warranties, the constitution of Japan’s warranties will be confirmed here. The precedent recognizes all the concession