Location History:
- Tokorozawa, JA (1976 - 1978)
- Tokorozawa, JP (1979 - 1981)
- Tanashi, JP (1984)
Company Filing History:
Years Active: 1976-1984
Title: The Innovative Contributions of Makoto Yoshida
Introduction
Makoto Yoshida is a prominent inventor based in Tokorozawa, Japan. He has made significant contributions to the field of electronic timepieces, holding a total of 12 patents. His work focuses on enhancing the accuracy and reliability of timekeeping devices through innovative technologies.
Latest Patents
One of Yoshida's latest patents is for an electronic timepiece with temperature compensation. This invention features a quartz crystal oscillator circuit as a timebase signal source, equipped with a temperature compensation system. This system compensates for frequency deviations caused by temperature changes, integrating all components within the timepiece IC chip. The technology utilizes a temperature-sensitive voltage stabilizer circuit to control the frequency of a temperature-insensitive oscillator circuit, ensuring precise timekeeping.
Another notable patent is for an electronic timepiece that includes a timebase signal source comprising a low-frequency quartz crystal oscillator circuit. This invention incorporates means to compensate for the effects of temperature changes on the oscillator circuit. Additionally, it compares the timebase signal frequency with a high-frequency quartz crystal oscillator circuit, which is stable against aging changes. This comparison is conducted within a specific narrow range of operating temperatures, further enhancing the accuracy of the timepiece.
Career Highlights
Yoshida is currently employed at Citizen Watch Company, Ltd., where he continues to innovate in the field of timekeeping technology. His work has significantly impacted the design and functionality of electronic timepieces, making them more reliable and accurate.
Collaborations
Throughout his career, Yoshida has collaborated with notable colleagues, including Yoshifumi Mochizuki and Masamichi Yamauchi. These collaborations have contributed to the advancement of technology in the watchmaking industry.
Conclusion
Makoto Yoshida's contributions to electronic timepieces demonstrate his commitment to innovation and precision. His patents reflect a deep understanding of the complexities involved in timekeeping technology. Through his work at Citizen Watch Company, Ltd., he continues to influence the future of timepieces with his groundbreaking inventions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.