Location History:
- Kanagawa, JP (1991)
- Yokohama, JP (1994 - 1995)
Company Filing History:
Years Active: 1991-1995
Title: Zenbee Nakagawa: Innovator in Varistor Technology
Introduction
Zenbee Nakagawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrical components, particularly in the development of varistor materials. With a total of 4 patents to his name, Nakagawa's work has advanced the technology used in voltage protection devices.
Latest Patents
One of Nakagawa's latest patents is for a sintered varistor material with a small particle size. This varistor material boasts a non-linear coefficient of at least 30 and a varistor voltage of at least 800 V/mm. The innovative production method involves commingling an admixture of ZnO and a manganese compound while preventing contact with surfaces containing elements from group IIIb of the Periodic Table. The resulting mixture is calcined and pulverized to achieve a product with minimal impurity compounds.
Another notable patent is for a method of producing a varistor that has a non-linear coefficient of at least 40 and improved stability for DC stress. This method includes mixing ZnO powder with a solvent solution of Mn and Pb compounds, followed by calcination and pulverization while avoiding contamination from Group IIIb or Ia elements. The final product is molded and sintered to create a highly effective varistor.
Career Highlights
Zenbee Nakagawa is currently employed at Somar Corporation, where he continues to innovate in the field of electrical components. His work has been instrumental in enhancing the performance and reliability of varistors, which are critical in protecting electronic devices from voltage spikes.
Collaborations
Throughout his career, Nakagawa has collaborated with notable colleagues, including Akihide Igari and Hideo Ochi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Zenbee Nakagawa's contributions to varistor technology have established him as a key figure in the field of electrical engineering. His innovative patents and collaborative efforts continue to influence the development of advanced voltage protection solutions.
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.