This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Toyota Jidosha Kabushiki Kaisha, Prime Planet Energy & Solutions, Inc.. Active years: 2018-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Toyota, JP (2018 - 2019)
- Seto, JP (2023)
Company Filing History:

Years Active: 2018-2025
Title: Takeyuki Ozaki: Innovator in Battery Technology
Introduction
Takeyuki Ozaki is a prominent inventor based in Seto, Japan. He has made significant contributions to the field of battery technology, holding a total of 4 patents. His innovative approaches have paved the way for advancements in battery manufacturing and design.
Latest Patents
One of Ozaki's latest patents is focused on a battery and the method of manufacturing it. This invention features a battery case that includes a case-penetrating hole. An external terminal is designed with a member-engaging hole and is stacked on the outside of the battery case, ensuring that the member-engaging hole aligns with the case-penetrating hole. The internal terminal consists of a shaft portion and a fastening portion, which is inserted through the case-penetrating hole and the member-engaging hole from the interior of the battery. The fastening portion is secured to the circumferential periphery of the member-engaging hole by crushing the tip end of the shaft portion. Additionally, the fastening portion and the external terminal include a welded portion that is welded along a weld line set across the periphery of the fastening portion. The dimensions of the welded portion are carefully designed, with the length being at least 1.5 times longer than the width.
Another significant patent involves a method for producing a battery. This method includes a liquid injecting process that consists of a first liquid-injecting step and a second liquid-injecting step. The first step involves injecting an electrolytic solution of a specific amount while regulating the air pressure in the metal battery case. The second step continues the injection of the electrolytic solution while increasing the air pressure to ensure optimal conditions for battery production.
Career Highlights
Throughout his career, Takeyuki Ozaki has worked with notable companies, including Toyota Motor Corporation and Prime Planet Energy & Solutions, Inc. His experience in these organizations has contributed to his expertise in battery technology and innovation.
Collaborations
Ozaki has collaborated with several talented individuals in his field, including Takenori Ikeda and Yuzo Suzuki. These collaborations have further enhanced his work and contributed to the development of advanced battery technologies.
Conclusion
Takeyuki Ozaki is a distinguished inventor whose work in battery technology has led to several important patents. His innovative methods and designs continue to influence the industry,
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile