This inventor holds 12 USPTO granted patents. Top assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Denso Corporation, Other. Active years: 1990-2005.
Location History:
- Nagoya, JP (1990 - 1992)
- Gifu, JP (1993)
- Gifu-ken, JP (1997 - 2000)
- Aichi-ken, JP (2001 - 2005)
Company Filing History:


Years Active: 1990-2005
Title: Kunitoshi Nishikawa: Innovator in Antenna Systems
Introduction
Kunitoshi Nishikawa is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of antenna systems, holding a total of 12 patents. His innovative designs have advanced the technology used in communication systems.
Latest Patents
Nishikawa's latest patents include an advanced antenna system featuring a feed probe, a semicylindrical sub-reflector, and a main reflector. This system is designed to optimize the arrangement of these components on a ground plate, ensuring that the mirror surfaces face the feed probe effectively. The main reflector is strategically positioned at a predetermined focal point, enhancing its performance. Additionally, he has developed a converter that facilitates the conversion of linearly and circularly polarized waves, utilizing a unique structure of grooves and ridges to achieve this functionality. Another notable patent involves a waveguide-transmission line transition that incorporates a short-circuiting metal layer and a matching element, allowing for efficient microwave or millimeter-wave circuit integration.
Career Highlights
Throughout his career, Kunitoshi Nishikawa has worked with notable companies such as Toyota Central R&D Labs and Denso Corporation. His experience in these organizations has contributed to his expertise in antenna technology and innovation.
Collaborations
Nishikawa has collaborated with esteemed colleagues, including Toshiaki Watanabe and Masaru Ogawa. Their joint efforts have furthered advancements in the field of antenna systems.
Conclusion
Kunitoshi Nishikawa's contributions to antenna technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in communication systems.