Location History:
- Aichi-ken, JP (1998)
- Aichi-gun, JP (2000 - 2007)
- Aichi, JP (1995 - 2009)
- Kanagawa, JP (2012)
- Aichi Aichi, JP (2015)
- Yokohama, JP (2009 - 2016)
Company Filing History:
21 out of 52,751 
1 out of 12 
1 out of 13 
Years Active: 1995-2016
Title: Innovations and Contributions of Kazunobu Nagai
Introduction
Kazunobu Nagai, an esteemed inventor based in Yokohama, Japan, has made significant contributions to the field of electromagnetic appliances and motor driving technologies. With a remarkable portfolio of 21 patents, Nagai continues to push the boundaries of engineering and innovation.
Latest Patents
Among his most recent innovations, Nagai has developed a "System for Driving Electromagnetic Appliance and Motor Driven Vehicle." This invention features a system that includes an electromagnetic appliance, a main-drive unit, and a sub-drive unit. The unique arrangement of coils for multiple phases enables enhanced energy efficiency and reduced short-circuit occurrences during switching processes.
Another notable patent is the "Semiconductor Integrated Circuit and Motor Driving Apparatus." This apparatus employs a brushless motor and integrates a position sensor that synchronizes with the induced voltage's phase. The sophisticated semiconductor integrated circuit controls driving efficiency by supplying a pseudo sine-wave voltage, thus optimizing the performance of the brushless motor.
Career Highlights
Nagai's distinguished career includes pivotal roles at prominent companies such as Toshiba Corporation and Toshiba Consumer Electronics Holdings Corporation. His involvement in such reputable organizations has allowed him to refine his skills and contribute meaningfully to innovative projects in the technology sector.
Collaborations
Throughout his career, Kazunobu Nagai has collaborated with esteemed professionals, including Sari Maekawa and Masahiro Imai. These collaborative efforts have led to the co-development of several patents and innovations, fostering a rich environment of shared knowledge and creativity.
Conclusion
Kazunobu Nagai's contributions to the fields of electromagnetic systems and motor driving technology underscore his status as a leading inventor. His extensive portfolio and collaborative spirit continue to inspire advancements in innovation, ensuring a lasting impact on the technology landscape.