This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignees: Sony Chemicals Corporation, Sony Corporation, Sony Chemical & Information Device Corporation. Active years: 1998-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanuma, JP (1999 - 2008)
- Tochigi, JP (1998 - 2009)
Company Filing History:

Years Active: 1998-2009
Title: Hisaya Tamura: Innovator in Protective Elements and Battery Devices
Introduction
Hisaya Tamura is a notable inventor based in Kanuma, Japan, recognized for his contributions to the fields of protective elements and secondary battery devices. With a total of nine patents to his name, Tamura has made significant advancements that enhance the safety and efficiency of electronic devices.
Latest Patents
One of Hisaya Tamura's latest patents is a protective element that features a heat-generating member and a low-melting metal member on a substrate. This innovative design allows the low-melting metal member to be blown out by the heat generated by the heat-generating member. The protective element is designed with at least two strips of low-melting metal member, which are strategically placed between a pair of electrodes that pass current to the low-melting metal member. This configuration results in a shorter and more consistent operating time. Additionally, Tamura has developed a secondary battery device that includes multiple protective circuits connected in parallel, each having two fuses connected in series. This design ensures that no residual current flows even when a potential difference is generated between terminals.
Career Highlights
Throughout his career, Hisaya Tamura has worked with prominent companies, including Sony Chemicals Corporation and Sony Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in technology.
Collaborations
Tamura has collaborated with notable coworkers such as Norikazu Iwasaki and Masami Kawazu, further enhancing his work and expanding the impact of his inventions.
Conclusion
Hisaya Tamura's innovative work in protective elements and battery devices showcases his dedication to improving technology for safer and more efficient electronic applications. His contributions continue to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile