Location History:
- Tokyo, JA (1976 - 1977)
- Kashiwa, JA (1977)
- Tokyo, JP (1978)
Company Filing History:
Years Active: 1976-1978
Title: Yasuichi Nakagawa: Innovator in Timepiece Technology
Introduction
Yasuichi Nakagawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of timepiece technology, holding a total of 5 patents. His innovative designs and mechanisms have advanced the functionality and efficiency of timekeeping devices.
Latest Patents
One of Nakagawa's latest patents is a train structure of a timepiece. This design features a gear train structure that includes a center wheel and pinion mounted between a third wheel bridge and a date wheel holder, eliminating the need for a traditional train wheel bridge. The structure allows for a more compact and efficient design, enhancing the overall performance of the timepiece.
Another notable patent is a switching mechanism for a timepiece. This mechanism consists of a base plate with intersecting bores and a circuit board with stationary contacts. The design allows for a contact member to slide within the bore, enabling electrical connections to be made efficiently. The mechanism is designed to maintain a raised position for the contact member, ensuring reliable operation of the timepiece.
Career Highlights
Yasuichi Nakagawa works at Kabushiki Kaisha Daini Seikosha, a company known for its expertise in timepiece manufacturing. His work has been instrumental in developing innovative solutions that enhance the functionality of watches and clocks. His patents reflect a deep understanding of mechanical engineering and design principles.
Collaborations
Throughout his career, Nakagawa has collaborated with notable colleagues such as Masataka Ikenishi and Shozo Kushida. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge timepiece technologies.
Conclusion
Yasuichi Nakagawa's contributions to the field of timepiece technology are noteworthy and impactful. His innovative patents and collaborative efforts continue to shape the future of timekeeping devices.