Location History:
- Hitachi, JA (1977)
- Hitachi, JP (1978 - 1998)
Company Filing History:
Years Active: 1977-1998
Title: **Kunio Hirasawa: Innovator in Gas Insulated Circuit Breakers**
Introduction
Kunio Hirasawa is a prominent inventor based in Hitachi, Japan, recognized for his significant contributions to electrical engineering. With a remarkable portfolio of 18 patents, Hirasawa has made notable advancements in innovative technologies, particularly in the field of high voltage circuit breakers. His inventions play a pivotal role in enhancing the safety and efficiency of electrical systems.
Latest Patents
Hirasawa's latest patents include groundbreaking designs for gas insulated high voltage circuit breakers. One such invention features a circuit breaker that consists of a tank grounded and filled with an insulating gas. This design incorporates a first electrical series-connected section with a main conductor and a main breaking section, alongside a second electrical series-connected section which includes a resistor and an advance closing contact device. Notably, the ability to assemble each unit outside the tank minimizes the need for adjustments within the tank, making the installation and maintenance processes simpler and more efficient.
Additionally, his patent for a gas insulated circuit breaker improves the reliability and safety of electrical environments. In this invention, breaking poles are securely connected to conductor bodies, and the design accommodates interpole capacitors within an insulating support body. This innovative arrangement ensures that the components function seamlessly while being protected within a grounded metal container filled with insulating gas.
Career Highlights
Hirasawa's career is marked by a strong relationship with Hitachi, Ltd., where he has dedicated his expertise to developing advanced electrical technologies. His work demonstrates a commitment to pushing the boundaries of innovation within the industry, particularly in the realm of high voltage systems.
Collaborations
Throughout his career, Hirasawa has collaborated with notable coworkers, including Masanori Tsukushi and Yukio Kurosawa. Together, they have worked on various projects that have contributed to the advancements in electrical engineering and circuit protection technologies.
Conclusion
In conclusion, Kunio Hirasawa's impact on the field of electrical engineering is profound, underscored by his 18 patents and innovative designs for gas insulated circuit breakers. His work not only enhances the functionality and safety of electrical systems but also inspires future innovations in the industry. Hirasawa's dedication to excellence continues to influence the evolution of electrical technology today.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.