Location History:
- Hyogo, JP (1996 - 1998)
- Tokyo, JP (2001 - 2011)
Company Filing History:
11 out of 21,351 
3 out of 15,928 
1 out of 5,978 
Years Active: 1996-2011
Title: The Innovations of Toshiyuki Kikunaga: A Pioneer in DC/DC Power Conversion Technology
Introduction: Toshiyuki Kikunaga is an esteemed inventor based in Tokyo, Japan, whose contributions to the field of electrical engineering have led to the development of fourteen patents. His innovations primarily focus on improving the efficiency of DC/DC power conversion systems, showcasing his deep understanding of circuit design and resonant systems.
Latest Patents: Among Kikunaga’s most notable inventions is his recent patent for a DC/DC power converting apparatus featuring three or more circuits. This design incorporates series-connected low-voltage and high-voltage side switches using MOSFETs with parasitic diodes, strategically arranged across smoothing capacitor terminals. The unique approach includes elementary series circuits with capacitors and inductors that resonate similarly, enhancing the apparatus's performance. Kikunaga has adeptly reduced conduction losses in the rectifier circuits by synchronizing operational states of MOSFETs, thereby increasing the overall conversion efficiency and minimizing the physical size of the apparatus.
Career Highlights: Kikunaga’s career includes significant tenures at prominent companies in the technology sector, such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His extensive experience in these organizations has provided a solid foundation for his innovative work in power conversion technologies.
Collaborations: Throughout his career, Kikunaga has collaborated with other talented individuals, including Akihiko Iwata and Tatsuya Okuda. These partnerships have fostered a dynamic environment that has greatly influenced the development of cutting-edge technologies within the field.
Conclusion: Toshiyuki Kikunaga’s relentless pursuit of innovation in DC/DC power conversion technology makes him a notable figure in the landscape of electrical engineering. His fourteen patents reflect a commitment to advancing the efficiency and functionality of power systems, ensuring that his contributions will impact the industry for years to come.