This inventor holds 5 USPTO granted patents. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1979-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kobe, JP (1979 - 1980)
- Hyogo, JP (1989)
- Sumoto, JP (1986 - 1995)
Company Filing History:
Years Active: 1979-1995
Title: Mitsunori Hara: Innovator in Battery Technology
Introduction
Mitsunori Hara is a prominent inventor based in Sumoto, Japan. He has made significant contributions to the field of battery technology, holding a total of 5 patents. His innovative work focuses on enhancing the safety and efficiency of nonaqueous electrolyte batteries.
Latest Patents
One of Hara's latest inventions is a nonaqueous electrolyte battery. This battery features a positive electrode, a negative electrode, and a separator laminate rolled into a spiral electrode unit. It is contained in an external case filled with nonaqueous electrolyte, with a battery voltage ranging between 3.5 V and 5.0 V when charged. The positive electrode supporting member material and the external case are both made of aluminum. Notably, the positive electrode supporting member is exposed for at least a portion of the outermost winding of the spiral electrode unit, allowing it to contact the inner surface of the external case for electrical connection.
Another significant patent is for an enclosed cell that includes a safety valve mechanism. This mechanism is designed to release gas from inside the cell when the internal pressure rises excessively. The invention utilizes a resin packing as a sealing element, ensuring reliable sealing under normal conditions. The packing is designed to break under excessive pressure, allowing gas to escape safely. This cell can be fabricated efficiently through injection molding or a hot press process, making it both cost-effective and safe for various applications.
Career Highlights
Mitsunori Hara is associated with Sanyo Electric Co., Ltd., where he continues to develop innovative battery technologies. His work has been instrumental in advancing the safety and performance of battery systems.
Collaborations
Hara has collaborated with notable coworkers, including Satoshi Narukawa and Hironosuke Ikeda, contributing to the development of cutting-edge battery technologies.
Conclusion
Mitsunori Hara's contributions to battery technology exemplify his commitment to innovation and safety. His patents reflect a deep understanding of the challenges in battery design and a dedication to creating solutions that enhance performance and reliability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile