Location History:
- Kosai, JP (2000)
- Osaka, JP (2001 - 2007)
- Ibaraki, JP (2003 - 2008)
Company Filing History:
Years Active: 2000-2008
Title: Hirotaka Ishihara: Innovator in Adaptive Antenna Technology
Introduction
Hirotaka Ishihara is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of antenna technology, holding a total of nine patents. His innovative work focuses on adaptive antenna systems that enhance communication capabilities.
Latest Patents
One of Ishihara's latest patents is an adaptive antenna apparatus that features a plurality of pairs of bidirectional antennas. This apparatus is designed with four or more antennas arranged at the vertices of a polygon, allowing each pair of antennas to oppose each other. An adaptive control circuit manages radio signals using one pair of antennas, ensuring that the main beams of the antennas align effectively. Another notable patent involves a compact antenna design that includes a flat-plate conductive ground plane and two antenna elements, which are symmetrically arranged to minimize height while maintaining performance.
Career Highlights
Throughout his career, Ishihara has worked with notable companies, including Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in antenna technology and innovation.
Collaborations
Ishihara has collaborated with esteemed colleagues such as Masahiro Takada and Toshiaki Nakanishi. Their joint efforts have further advanced the field of adaptive antennas and communication systems.
Conclusion
Hirotaka Ishihara's contributions to antenna technology exemplify his innovative spirit and dedication to enhancing communication systems. His patents reflect a commitment to developing advanced solutions that meet the demands of modern technology.