Location History:
- Nagoya, JP (1993)
- Niwa-gun, JP (2000 - 2001)
- Aichi, JP (1986 - 2004)
Company Filing History:
19 out of 2,005 
1 out of 19,748 
Years Active: 1986-2004
Title: Kazuyoshi Ishiguro: Innovator in Rotary Switch Technology
Introduction
Kazuyoshi Ishiguro, an inventive mind based in Aichi, Japan, holds a remarkable portfolio with a total of 19 patents. His contributions primarily focus on rotary switch technology, showcasing his expertise and innovative thinking in this specialized field.
Latest Patents
Kazuyoshi Ishiguro's latest inventions include two notable patents. The first is a "Rotary switch with rotatable contact," which features a contact fitted to an insulator and adapted to rotate with the operation of an operation knob. This design incorporates shorter arm portions among the contacts, allowing fixed and movable contacts to be arranged in concentric positions. This innovation increases the number of contacts while minimizing hindrance in small-current load applications, thanks to the clever arrangement of the contact angles.
The second patent, titled "Switch device and method of assembling switch device," describes a novel approach for assembling operation knobs. In this invention, two adjacent knobs are formed integrally via a coupling portion that includes a V-shaped gap variable portion and cylindrical portions with positioning guide provisions. This design streamlines the assembly process by enabling precise alignment and spacing maintenance, achieving a spacing dimension as narrow as 0.5 mm.
Career Highlights
Throughout his career, Kazuyoshi Ishiguro has worked with leading companies in the automotive and electronics sectors. Notably, he contributed to Kabushiki Kaisha Tokai Rika Denki Seisakusho and Denso Corporation, where he honed his skills and developed innovative solutions in switch technology.
Collaborations
Kazuyoshi has collaborated with esteemed coworkers such as Tatsuo Yamashita and Toshiki Akita, further enriching his inventive pursuits through shared knowledge and expertise. These collaborations have significantly impacted the advancements in rotary switch design and functionality.
Conclusion
Kazuyoshi Ishiguro's contributions to the field of rotary switch technology through his numerous patents demonstrate his commitment to innovation and excellence. His work not only enhances the functionality of switches in various applications but also sets a standard for future advancements in the industry.