This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignee: Citizen Watch Company, Ltd.. Active years: 1977-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JA (1977)
- Tokorozawa, JP (2000)
- Sayama, JP (2000 - 2004)
Company Filing History:
Years Active: 1977-2004
Title: Innovations of Hiroyuki Fukayama
Introduction
Hiroyuki Fukayama is a notable inventor based in Sayama, Japan. He has made significant contributions to the field of electronics, particularly in the development of oscillators and capacitors. With a total of 6 patents to his name, Fukayama continues to push the boundaries of innovation.
Latest Patents
Fukayama's latest patents include a temperature compensated oscillator using a control voltage generation circuit. This invention detects the temperature of an oscillation circuit through a temperature detection circuit. A cubic term voltage generation circuit produces a control voltage based on the output voltage of the temperature detection circuit. Additionally, a frequency adjustment circuit modifies the oscillation frequency of the circuit using this control voltage.
Another significant patent is for a variable capacitor and temperature-compensated oscillator. This invention involves forming an insulating film and a conducting film on an N-type semiconductor substrate to create a capacitor structure. The design includes a heavily doped P region and a heavily doped N region, allowing for rapid changes in capacitance values based on the applied voltage.
Career Highlights
Fukayama is currently employed at Citizen Watch Company, Ltd., where he applies his expertise in electronics to develop innovative products. His work has been instrumental in enhancing the performance and reliability of various electronic devices.
Collaborations
Fukayama has collaborated with notable coworkers such as Yasuhiro Sakurai and Shingo Hashimoto. Their combined efforts have contributed to the advancement of technology in their field.
Conclusion
Hiroyuki Fukayama's contributions to the field of electronics through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of innovative technologies in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
