Location History:
- Tokyo, JP (1978)
- Tokyo, JA (1978)
Company Filing History:
Years Active: 1978
Title: Innovator Yoshio Tatsumi: Pioneering Timepiece Technology
Introduction
Yoshio Tatsumi, an inventive mind based in Tokyo, Japan, has made significant contributions to the world of horology through his innovative patents. With a total of three patents to his name, Tatsumi has demonstrated his expertise in the design and engineering of complex timekeeping devices.
Latest Patents
Tatsumi's most recent patents include a battery lead plate member specifically designed for electronic wristwatches and a bearing for a timepiece train. The battery lead plate assembly features a unique one-piece integral structure that connects a circuit block and a battery within an electronic timepiece. This assembly is comprised of three components: a casing made of electrically insulative material with a slotted arm portion, a lead plate element of electrically conductive material that establishes electrical connectivity between the circuit block and battery, and an insulating plate that ensures electrical insulation from other components. This innovative design enhances the reliability and efficiency of electronic watches.
Additionally, Tatsumi’s bearing for a timepiece train introduces a sophisticated wheel and pinion mechanism. This design includes upper and lower shafts that are rotatably mounted in bearings fixed within separate plates. The innovative bearing design allows for slight spacing from the pinion portion of the wheel and pinion mechanism, preventing possible misalignment during assembly while maintaining optimal performance.
Career Highlights
Throughout his career, Yoshio Tatsumi has worked with Kabushiki Kaisha Daini Seikosha, a company recognized for its commitment to advancing timepiece technology. His dedication to innovation and quality has been pivotal in delivering exceptional timekeeping solutions.
Collaborations
Tatsumi has collaborated with notable colleagues such as Eiichi Matsuura and Keikichi Takahashi, emphasizing the importance of teamwork in driving technological advancements in their field. Together, they have shared insights and expertise, contributing to the overall progress of the company's innovative efforts.
Conclusion
Yoshio Tatsumi stands out as a significant figure in the realm of horology, with his innovations paving the way for advancements in electronic watch technology. His patents not only demonstrate his creativity and technical skills but also highlight the collaborative spirit that fuels progress in the industry. Through his work, Tatsumi continues to leave a lasting impact on the future of timekeeping devices.