This inventor holds 5 USPTO granted patents. Top assignees: Matsushita Electric Works, Ltd., Asahi National Lighting Co., Ltd.. Active years: 1998-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Agatsuma-gun, JP (1998)
- Gunma, JP (2001 - 2002)
- Agatuma-gun, JP (2005)
Company Filing History:

Years Active: 1998-2005
Title: Kazuo Yanagida: Innovator in Time Switch Technology
Introduction
Kazuo Yanagida is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of time switch technology, holding a total of 5 patents. His innovative designs have improved the functionality and convenience of time switches, making them more user-friendly.
Latest Patents
One of Yanagida's latest patents is a time switch that features a unique time setting method through a sub-dial that can be rotated both clockwise and counter-clockwise. This design includes a gearwheel set that conveys motor torque to the dial, incorporating a ninth drive gear and a ninth shank gear connected to a step shaft. The ninth drive gear has a circular depression on its rear side, with multiple ratchet teeth formed at uniform intervals. The ratchet mechanism ensures that the dial rotates smoothly when sufficient torque is applied by the motor, while also allowing for slippage when the torque from the dial exceeds that of the motor.
Another innovative patent by Yanagida is a time switch that consists of a circuit board equipped with a time switch circuit powered by a commercial power source. It also includes a battery board that provides backup power in case of an interruption. The battery board can be either separated from the circuit board or integrally formed with it, allowing for easy detachment and disposal.
Career Highlights
Throughout his career, Kazuo Yanagida has worked with prominent companies such as Matsushita Electric Works, Ltd. and Asahi National Lighting Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced time switch technologies.
Collaborations
Yanagida has collaborated with notable coworkers, including Hiroaki Muroi and Takayuki Todokoro. Their combined efforts have led to the successful development of innovative products in the field of time switches.
Conclusion
Kazuo Yanagida's contributions to time switch technology have made a lasting impact in the industry. His innovative designs and patents reflect his dedication to improving user experience and functionality in everyday devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile