Location History:
- Tokyo, JP (2016 - 2018)
- Hokkaido, JP (2001 - 2020)
Company Filing History:
8 out of 40 
4 out of 109 
1 out of 36,713 
Years Active: 2001-2020
Title: Innovator Hiroyuki Yamakawa: Advancing Power Transmission Technologies
Introduction: Hiroyuki Yamakawa, an accomplished inventor from Hokkaido, Japan, has made significant contributions to the field of power transmission technology. With a total of 12 patents to his name, Yamakawa's innovations focus on enhancing efficiency and reducing noise in energy transfer systems.
Latest Patents: Among Yamakawa's latest inventions is a sophisticated Power Transmission System designed to transmit electric energy to a secondary resonator via an electromagnetic field. This system employs two noise cancellation resonators to minimize interference, targeting a specific noise reduction frequency. The first resonator functions with a resonance frequency above the target frequency, while the second works below it, ensuring effective noise reduction.
Another notable patent is also a Power Transmission System, which addresses the challenge of maintaining high efficiency even when there is a positional shift of the power reception antenna relative to the power transmission antenna. This system utilizes a wound power transmission coil and a corresponding power reception coil, strategically designed to maximize the area of energy transfer.
Career Highlights: Yamakawa has built his career through various positions in prominent firms, including Equos Research Co., Ltd. and Kabushikikaisha Equos Research. His work in these companies has played a crucial role in shaping innovative power transmission solutions, showcasing his expertise in the field.
Collaborations: Throughout his career, Yamakawa has collaborated with several talented individuals, including Yasuo Ito and Naoki Gorai. These partnerships have undoubtedly enriched his work, bridging diverse ideas and insights that enhance the effectiveness of his inventions.
Conclusion: Hiroyuki Yamakawa exemplifies the spirit of innovation with his pioneering work in power transmission technologies. His extensive patent portfolio reflects his commitment to improving energy efficiency and reducing noise in energy systems. As technology continues to evolve, Yamakawa's contributions will undoubtedly play a prominent role in shaping future advancements in this essential field.