Location History:
- Yokohama, JP (1994 - 2009)
- Kanagawa, JP (2010 - 2014)
- Nagaokakyo, JP (2016 - 2023)
Company Filing History:
13 out of 13,712 
4 out of 16,453 
3 out of 27,375 
Years Active: 1994-2023
Title: **Innovative Contributions of Hisashi Akiyama**
Introduction
Hisashi Akiyama is a prominent inventor based in Nagaokakyo, Japan, known for his innovative contributions to the fields of communication devices and matching circuits. With a remarkable portfolio comprising 21 patents, Akiyama has made significant strides in enhancing electronic communication technologies.
Latest Patents
Akiyama's latest patents include a matching circuit, a matching circuit element, and a communication device. The matching circuit features first and second input/output ports, three coils, and a capacitor. Notably, the first coil is connected in series between the input/output ports, while the second coil is arranged in shunt configuration between a ground and an input/output line. This design incorporates magnetic coupling between the coils, allowing for enhanced performance. The closed circuit involving a capacitor and the third coil is a testament to Akiyama's ingenuity in optimizing circuit functionality.
Another notable patent focuses on a matching circuit that consists of first and second ports, an autotransformer, and two capacitors. This innovative design includes features like a series and parallel parasitic inductor, which, when combined with the capacitors, forms a low pass and high pass filter. This technology reflects Akiyama's dedication to revolutionizing communication device efficiency.
Career Highlights
Hisashi Akiyama has had a distinguished career, having worked for renowned companies like Murata Manufacturing Co., Ltd. and Panasonic Corporation. His experience in these leading organizations has undoubtedly influenced his innovative project development and patent filings. Akiyama's ability to combine theoretical knowledge with practical applications has allowed him to thrive in a competitive industry.
Collaborations
Throughout his career, Akiyama has collaborated with several talented coworkers, including Kazunari Kawahata and Yasuhiro Nakamura. These collaborations have fostered a creative environment, leading to advancements in technology and new patent developments that have had a lasting impact on the electronics sector.
Conclusion
In summary, Hisashi Akiyama's contributions to innovation in communication devices and matching circuits are commendable. With 21 patents to his name, he continues to influence the industry with his novel ideas and engineering prowess. As technology evolves, Akiyama's work stands as a testament to the legacy of inventors pushing the boundaries of what is possible.