Location History:
- Fukuoka, JP (2019)
- Tokyo, JP (2009 - 2021)
Company Filing History:
6 out of 3,192 
1 out of 23 
Years Active: 2009-2021
Title: Tetsuya Ojiri: Innovator in Cell Packaging Materials
Introduction
Tetsuya Ojiri is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of packaging materials for batteries. With a total of seven patents to his name, Ojiri has developed innovative solutions that enhance the performance and durability of cell packaging materials.
Latest Patents
Ojiri's latest patents include a cell packaging material and a method for manufacturing the same. This invention features a cell packaging material that boasts high insulating performance and durability. The design comprises a layered body with a substrate layer, a metal layer, an adhesive layer, and a heat-fusible resin layer arranged in that order. The adhesive layer utilizes a resin composition containing an acid-modified polyolefin and an epoxy resin. Notably, during probe displacement amount measurements using a thermal mechanical analyzer, the probe's position remains stable when heated from 40°C to 220°C, indicating the material's reliability.
Another significant patent involves a battery packaging material, which includes a very thin aluminum alloy foil with a thickness of not more than 40 μm. This material is designed to minimize the occurrence of pinholes or cracks during molding, ensuring excellent moldability and appearance. The aluminum alloy foil conforms to the JIS standard A8021 and features a maximum crystal grain size of not more than 25 μm, with an average crystal grain size of not more than 10 μm. This innovation allows for highly accurate defect determination during the manufacturing process.
Career Highlights
Throughout his career, Tetsuya Ojiri has worked with notable companies, including Dai Nippon Printing Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced packaging materials.
Collaborations
Ojiri has collaborated with talented individuals in his field, including Rikiya Yamashita and Tsuyoshi Suzuki. These partnerships have likely fostered innovation and creativity in his projects.
Conclusion
Tetsuya Ojiri's work in the development of cell packaging materials showcases his commitment to innovation and excellence. His patents reflect a deep understanding of material science and engineering, making significant contributions to the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.