Location History:
- Hyogo, JP (2004)
- Tokyo, JP (2003 - 2014)
Company Filing History:
6 out of 21,351 
2 out of 15,844 
1 out of 7,524 
Years Active: 2003-2014
Title: Hiroyuki Joba: Innovator in Array Antenna Technology
Introduction
Hiroyuki Joba is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of antenna technology, holding a total of 9 patents. His work focuses on improving the performance and efficiency of array antennas, which are crucial for various communication systems.
Latest Patents
One of Joba's latest patents is an array antenna apparatus designed to enhance the signal-to-noise (SN) ratio. This innovative apparatus features multiple antenna elements, each equipped with transmission modules. These modules include transmission signal generators that output transmission intermediate frequency signals, local oscillation signal generators, and transmission mixers for frequency conversion to high-frequency signals. A reference signal source ensures synchronization between the transmission intermediate frequency signal and the local oscillation signal.
Another notable patent is for a transmission module that incorporates a power supply voltage control unit. This unit adjusts the power supply voltage to the high-frequency amplifier dynamically. The control circuit manages amplitude and phase control while maintaining efficiency. This design achieves a large directional gain, low side lobe levels, and reduced power consumption, making it an effective solution for phased array antenna systems.
Career Highlights
Hiroyuki Joba has worked with leading companies in the technology sector, including Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in antenna technology.
Collaborations
Throughout his career, Joba has collaborated with notable colleagues such as Kazutomi Mori and Yoshinori Takahashi. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Hiroyuki Joba is a distinguished inventor whose work in array antenna technology has led to significant advancements in the field. His innovative patents and collaborations with industry leaders highlight his commitment to enhancing communication systems. His contributions continue to influence the development of efficient and effective antenna solutions.
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.