Location History:
- Hatano, JA (1977 - 1978)
- Hatano, JP (1979)
- Hadano, JP (1979 - 1982)
- Yokohama, JP (1980 - 2000)
- Kanagawa, JP (2008)
Company Filing History:
21 out of 1,440 
4 out of 6 
1 out of 453 
Years Active: 1977-2008
Title: Innovations by Toru Teshima: A Pioneer in Power Supply Technologies
Introduction
Toru Teshima, based in Yokohama, Japan, is an accomplished inventor with a significant portfolio of 25 patents. His contributions primarily focus on power supply systems that leverage renewable energy sources and improve efficiency in electrical circuits. Through his innovative designs, Teshima aims to address contemporary energy challenges and enhance technological performance.
Latest Patents
Toru Teshima's latest patents include a co-generated power supply system and a power factor improving circuit. The co-generated power supply system integrates a wind turbine generator, solar cells, and a fuel cell, all designed to equalize their rated voltages with that of a storage battery. This system connects these DC power sources and a commercial AC power source to a load via a bi-directional electronic transformer. By combining natural energy systems with stable power sources, this invention ensures a consistent power supply while reducing costs and enhancing overall system performance.
The power factor improving circuit Teshima developed addresses the need to reduce harmonic current components in AC input currents. It incorporates a rectifier circuit and a half-bridge-type inverter to optimize power factor and efficiency. Key components, such as discharging diodes, smoothing capacitors, and a high-frequency capacitor connected in series, work together to achieve excellent circuit performance.
Career Highlights
Throughout his career, Teshima has made significant strides in the field of electrical engineering. He has been associated with notable companies such as Stanley Electric Co., Ltd and I-hits Laboratory, where he has worked on various innovative projects that showcase his expertise in power systems.
Collaborations
Teshima has collaborated with prominent colleagues such as Kazuo Ariga and Yasunobu Suzuki. Together, they have contributed to advancements in electrical technologies, fostering innovation and facilitating the development of more efficient power supply systems.
Conclusion
Toru Teshima is a visionary inventor whose work continues to influence the landscape of power supply technologies. With his 25 patents and a focus on renewable energy integration and circuit efficiency, he exemplifies the potential of innovation to address modern energy challenges. As the field progresses, Teshima's contributions serve as a foundation for future advancements in sustainable power solutions.