Location History:
- Kyoto, JP (1990 - 1999)
- Nagoya, JP (1998 - 2005)
- Nogoya, JP (2007)
Company Filing History:
5 out of 4,116 
1 out of 4 
1 out of 583 
Years Active: 1990-2007
Title: Kiyotaka Yamaguchi: Innovator in Switch Technology
Introduction
Kiyotaka Yamaguchi is a prolific inventor based in Kyoto, Japan, known for his contributions to switch device technology. With a total of six patents to his name, Yamaguchi has made significant strides in creating innovative solutions that enhance the performance and durability of switching devices.
Latest Patents
One of Yamaguchi's most recent patents is for a Switching Device, designed to prevent water from entering a case through an operational knob. This device features a switch housed within a case, a hollow cylinder for the operation knob, and an operation bar that relays the knob's motion to the switch. A unique aspect of this design is a projection on the case's upper surface that maintains a small clearance from the operation knob, ensuring reliable functionality.
Another remarkable patent is his Switch Apparatus, which aims to minimize contact damage while managing high power source voltages without increasing size. This apparatus incorporates three switches that work in tandem to manage power source connections effectively, preventing short circuits and improving the tactile feedback of the switch.
Career Highlights
Yamaguchi has worked with prominent companies, including Omron Corporation and Murakami Kameido Co., Ltd., where he applied his expertise in developing advanced switching technologies. His time in these companies has undoubtedly contributed to his growth as an innovator.
Collaborations
Throughout his career, Yamaguchi has collaborated with notable individuals such as Yasuhide Tanaka and Keiichi Shimizu. These partnerships have fostered a collaborative environment that has led to the successful development of innovative products and solutions in switch technology.
Conclusion
Kiyotaka Yamaguchi stands out as an influential figure in the field of switch technology. His innovative patents demonstrate a commitment to advancing device functionality and reliability. As technology continues to evolve, Yamaguchi's contributions will likely remain pertinent in shaping the future of electromechanical devices.