This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Citizen Watch Company, Ltd.. Active years: 1978-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokorozawa, JA (1978)
- Saitama, JP (2020)
Company Filing History:
Years Active: 1978-2020
Title: Yoshiro Hirai: Innovator in Timepiece Technology
Introduction
Yoshiro Hirai is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of timepiece technology, particularly through his innovative patents. With a total of 2 patents to his name, Hirai continues to push the boundaries of engineering and design in the watch industry.
Latest Patents
Hirai's latest patents include a carbon-containing steel material and a method for producing the same. This invention aims to create a clock screw that not only possesses a deep interference film blue color for enhanced decorativeness but also exhibits superior scratch and corrosion resistance. The clock screw comprises a screw base material made of steel containing carbon at 0.5% to 1.0% by weight, an oxide layer with a thickness of 60 nm to 80 nm, and a fluorine coating film on the oxide layer. Additionally, he has developed a rotor assembly for an electro-mechanical transducer of an electronic timepiece. This assembly features a metallic protecting member fixedly mounted on a rotary shaft, with a rare earth magnet supported at its outer periphery by the protecting member.
Career Highlights
Hirai is currently employed at Citizen Watch Company, Ltd., a leading manufacturer in the watch industry. His work at Citizen has allowed him to apply his innovative ideas and contribute to the development of advanced timekeeping technologies. His expertise in materials science and engineering has been instrumental in creating products that meet the demands of modern consumers.
Collaborations
Throughout his career, Hirai has collaborated with talented individuals such as Yasuaki Nakayama and Shigeru Aoyama. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Yoshiro Hirai is a distinguished inventor whose work in timepiece technology has led to significant advancements in the industry. His innovative patents reflect his commitment to excellence and creativity. As he continues to develop new technologies, Hirai's contributions will undoubtedly leave a lasting impact on the world of horology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile