Company Filing History:
5 out of 244 
1 out of 7 
1 out of 416 
Years Active: 2012-2017
Title: Kyouji Doi: Innovator in Antenna and FRET Measurement Technologies
Introduction
Kyouji Doi is a notable inventor based in Tamano, Japan. He has made significant contributions to the fields of antenna technology and fluorescence resonance energy transfer (FRET) measurement. With a total of 6 patents to his name, Doi's work reflects a commitment to advancing technological innovation.
Latest Patents
Doi's latest patents include a planar antenna and radar apparatus. This planar antenna features a dielectric substrate and an antenna main body portion that includes first and second antenna elements on either side of the substrate, functioning as a balanced antenna. The design incorporates a signal line portion with first and second feed lines, along with coplanar lines that enhance its performance as balanced transmission lines.
Another significant patent is the FRET measurement device and method. This device utilizes a FRET probe that consists of a donor fluorescent substance and an acceptor fluorescent substance. The probe enables FRET to occur when the two elements approach or bind together. Doi's innovation allows for the adjustment of the modulation frequency of laser light to optimize the measurement process, maximizing the difference in phase differences of donor fluorescence.
Career Highlights
Throughout his career, Kyouji Doi has worked with prominent companies, including Mitsui Engineering and Shipbuilding Company Limited and Mitsui Engineering & Shipbuilding. His experience in these organizations has contributed to his expertise in developing advanced technologies.
Collaborations
Doi has collaborated with notable coworkers such as Shigeyuki Nakada and Hironori Hayashi. Their joint efforts have likely played a role in the successful development of his innovative patents.
Conclusion
Kyouji Doi's contributions to antenna technology and FRET measurement demonstrate his innovative spirit and dedication to advancing scientific understanding. His patents reflect a blend of creativity and technical expertise that continues to influence the field.