Location History:
- Toyota, JP (1988)
- Aichi, JP (1988)
Company Filing History:
2 out of 36,499 
2 out of 1,156 
1 out of 4 Years Active: 1988
Title: Innovations by Hiroshi Yotsuya
Introduction
Hiroshi Yotsuya is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive technology, particularly in antenna design. With a total of three patents to his name, Yotsuya's work reflects a commitment to enhancing vehicle communication systems.
Latest Patents
One of Yotsuya's latest patents is a "Window Antenna for a Vehicle." This innovative design features an antenna element mounted on the glass of a rear quarter window, with a coupling element that allows for phase adjustment between reception signals across a specific frequency range. The coupling element connects the two segmented elements in lower frequency ranges while disconnecting them in higher frequency ranges. This design enables automatic correction of the antenna length to cover a wide range of frequencies.
Another significant patent is the "Antenna Device for an Automobile." This device includes at least one feeding part connected to an antenna feeder line, positioned near the front or rear edge of a side window panel. It features a first antenna strip extending longitudinally along the window panel and a second antenna strip with a bent portion connected to the first strip. This design enhances the overall functionality of the antenna system in automobiles.
Career Highlights
Hiroshi Yotsuya has worked with prominent companies in the automotive and glass industries. He has been associated with Toyota Motor Corporation and Nippon Sheet Glass Company, Limited. His experience in these organizations has contributed to his expertise in developing innovative antenna solutions for vehicles.
Collaborations
Yotsuya has collaborated with notable colleagues, including Hiroshi Kondo and Kaoru Sakurai. Their combined efforts have led to advancements in automotive technology and antenna design.
Conclusion
Hiroshi Yotsuya's contributions to automotive antenna technology demonstrate his innovative spirit and dedication to improving vehicle communication systems. His patents reflect a deep understanding of the complexities involved in antenna design, making him a significant figure in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.