Location History:
- Hitachi, JP (1987 - 2020)
- Hitachinaka, JP (2016 - 2023)
Company Filing History:
22 out of 42,496 
17 out of 2,028 
6 out of 69 
Years Active: 1987-2023
Title: The Innovative Genius of Kenji Kubo
Introduction: Kenji Kubo, an accomplished inventor based in Hitachi, Japan, has made significant contributions to the field of high-voltage systems and power supply technology. With a remarkable portfolio of 33 patents, Kubo continues to push the boundaries of innovation in his industry.
Latest Patents: Among his latest inventions are a reliable high-voltage system and a failure diagnosis method for high-voltage systems. This innovative system utilizes a vibration damping mechanism that employs an electrorheological fluid as its working fluid. The design aims to prevent electric shocks caused by leakage currents and minimize the impact on surrounding electronic devices. Kubo's clever implementation includes a first circuit coupled magnetically to a second circuit via a transformer, effectively establishing a secure power source and ground. In addition, he has developed a switching power supply device that boasts a high voltage control resolution, featuring a power conversion circuit with a switching element and a control circuit that adjusts the switching cycle based on output voltage considerations.
Career Highlights: Kenji Kubo has had a notable career working with esteemed organizations such as Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. Through his tenure at these companies, he has honed his skills and furthered his expertise in developing advanced electrical systems and solutions.
Collaborations: In his journey as an inventor, Kubo has had the privilege of collaborating with talented coworkers such as Akihiko Kudo and Mutsumi Kikuchi. These partnerships have undoubtedly contributed to the successful development and refinement of his innovative technologies.
Conclusion: Kenji Kubo stands out as a prominent figure in the realm of innovation within high-voltage systems and power supply technology. His 33 patents reflect a commitment to creating safer and more efficient electrical solutions. As his career progresses, Kubo’s contributions are sure to inspire future advancements in the field.