Location History:
- Miigaoka Neyagawa, JA (1977)
- Hirakata, JP (1989 - 1991)
Company Filing History:
Years Active: 1977-1991
Title: Innovations by Jun Miyoshi in Dry Cell Technology
Introduction
Jun Miyoshi is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of battery technology, particularly in the development of dry cells. With a total of four patents to his name, Miyoshi's work has advanced the efficiency and safety of dry cell batteries.
Latest Patents
Miyoshi's latest patents include innovative designs for dry cells. One of his patents describes a dry cell that features an anode made of zinc and a cathode mixture that includes manganese dioxide as an active agent and conductor. This design utilizes acetylene black with a specific surface area of 100 to 150 m²/g, measured by a BET type nitrogen gas adsorption method. The mixing ratio of manganese dioxide to acetylene black is set between 7/1 to 12/1. Another patent outlines a dry cell that incorporates a bottom plate at the lower portion of a raw cell, which is sealed at its opening by a sealing member. This design includes an insulative seal packing applied to the peripheral portion of the bottom plate, surrounded by a metal jacket welded by laser. A gas discharge mechanism is also integrated, which remains normally closed by the seal packing but can release gas when internal pressure increases, ensuring a safe dry cell free from rupture risks.
Career Highlights
Miyoshi is currently employed at Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work at this esteemed organization has allowed him to focus on enhancing battery technology, contributing to the company's reputation for quality and innovation.
Collaborations
Miyoshi has collaborated with several talented individuals in his field, including Ryohei Ashihara and Kikumitsu Suehiro. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Jun Miyoshi's contributions to dry cell technology exemplify the spirit of innovation in the field of battery development. His patents reflect a commitment to safety and efficiency, marking him as a significant figure in the industry.