Location History:
- Kokubunji, JA (1977)
- Kodaira, JP (1980)
Company Filing History:
Years Active: 1977-1980
Title: Fujio Ishida: Innovator in Timepiece Technology
Introduction
Fujio Ishida is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of timepiece technology, holding 2 patents that showcase his innovative spirit and technical expertise. His work primarily focuses on enhancing the functionality and efficiency of timekeeping devices.
Latest Patents
One of Ishida's latest patents is a function selection circuit for multi-function timepieces. This invention features a timekeeping circuit and a display device that shows output data from the timekeeping circuit. It also includes a function circuit that provides multiple functions, which can be selected by an external control member in a predetermined sequence. The circuit means controlled by the external control member enables the selection of a time correction mode from the available functions.
Another significant patent is the hermetically sealed mount for a piezoelectric tuning fork. This mechanical vibrator for timepieces involves a ceramic supporting substrate that is securely attached to the inner wall of an evacuated housing. The substrate has conducting metal layers that serve as leads, and a piezoelectric vibrating element is placed on it, ensuring electrical connectivity to the timepiece's printed circuit.
Career Highlights
Fujio Ishida 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.
Collaborations
Ishida has collaborated with notable coworkers such as Haruo Suda and Singo Ichikawa. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and technological advancements.
Conclusion
Fujio Ishida's contributions to timepiece technology through his patents reflect his dedication to innovation and excellence. His work continues to influence the industry, making him a significant figure in the realm of inventors.