IBIDEN had 26 patents in batteries during Q1 2024. IBIDEN Co Ltd filed patents for heat transfer suppression sheets designed for battery packs with interconnected cells, containing heat-insulating materials and covering materials with a gap in between. The covering material is configured to have a communication opening at temperatures of 60°C or higher to enhance heat transfer suppression. GlobalData’s report on IBIDEN gives a 360-degree view of the company including its patenting strategy. Buy the report here.

IBIDEN grant share with batteries as a theme is 30% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Heat transfer suppression sheet for battery pack, and battery pack (Patent ID: US20240088484A1)

The patent filed by IBIDEN Co Ltd. describes a heat transfer suppression sheet for a battery pack that contains a heat-insulating material with inorganic particles or fibers, covered by a material with a gap between them. The sheet is designed to be interposed between battery cells connected in series or parallel to prevent heat transfer.

The claims detail various aspects of the heat transfer suppression sheet, including the formation of concave and convex portions on the surfaces of the heat-insulating material and covering material, the bonding of these portions, and the communication of the gap with the outside. Additionally, the patent covers the use of specific materials for the covering material, the sealing of the gap at certain temperatures, and the inclusion of moisture-releasing materials in the heat-insulating material. Overall, the patent aims to provide an effective solution for managing heat transfer in battery packs to improve safety and performance.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.