Location History:
- Amagasaki, JA (1976)
- Amagasaki, JP (1980 - 1982)
- Hyogo, JP (1984 - 1985)
Company Filing History:
5 out of 21,351 
1 out of 522 Years Active: 1976-1985
Title: Innovator Spotlight: Shinichi Betsudan
Introduction: Shinichi Betsudan, based in Amagasaki, Japan, is a distinguished inventor with a remarkable portfolio of five patents. His work primarily focuses on advancements in antenna technology, showcasing his expertise in the field of telecommunications.
Latest Patents: One of his latest innovations is an antenna system with plural horn feeds. This advanced antenna system features a main reflector, a sub-reflector, and multiple horns capable of radiating different frequencies. A notable aspect of this invention is its beam waveguide system, which adeptly cancels cross polarization typically associated with such systems. When utilizing a non-rotationally-symmetric sub-reflector, the invention ensures that any cross polarization is effectively managed by the inclusion of at least two focusing reflectors with specifically selected parameters. Additionally, the design allows for the beam waveguide system to be implemented with a rotationally symmetric and stationary sub-reflector, optimizing its performance by reflecting the beam along the axis of the main reflector. Flexibility is a key feature of this design, as either the horns or the focusing reflectors can be rotatably switched while the other group remains stationary.
Career Highlights: Shinichi Betsudan's professional journey includes significant contributions to well-respected companies such as Mitsubishi Electric Corporation and Nippon Telegraph and Telephone Corporation (NTT). His tenure at these organizations has played a vital role in shaping his innovative pursuits and patent development.
Collaborations: Throughout his career, Shinichi has collaborated with notable colleagues, including Motoo Mizusawa and Shigeru Sato. These partnerships have enriched his inventive process and contributed to the development of his impactful patents.
Conclusion: Shinichi Betsudan is a prominent inventor whose work in antenna systems exemplifies the innovative spirit necessary for technological advancement. With a strong foundation in telecommunications and a dedication to his craft, his contributions continue to influence the field, reflecting his commitment to innovation.