Miyagi, Japan

Keizi Takezawa

This inventor holds 1 USPTO granted patent. Top assignee: Alps Electric Co., Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizi Takezawa. Retrieved from https://idiyas.com/inventor/keizi-takezawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Keizi Takezawa: Innovator in Variable Resistor Technology

Introduction

Keizi Takezawa is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of variable resistors. His innovative designs have paved the way for advancements in various electronic applications.

Latest Patents

Takezawa holds a patent for a variable resistor with a switch. This invention minimizes the appearance of an arc and prevents incomplete contact between the contacts of the switch, which can arise from such an arc. The design features a torsion coil spring that connects to a movable contact element and a cam member. This mechanism allows for instantaneous contact with a fixed contact, enabling the switch to operate effectively regardless of the speed of the slider receiver.

Career Highlights

Keizi Takezawa is associated with Alps Electric Co., Ltd., a company known for its innovative electronic components. His work has contributed to the company's reputation for quality and reliability in the electronics industry. With a focus on practical solutions, Takezawa's inventions have enhanced the functionality of various devices.

Collaborations

Takezawa has collaborated with Junichi Kuratani, working together to advance their projects and share expertise in the field of electrical engineering. Their partnership has fostered innovation and creativity in their respective areas of focus.

Conclusion

Keizi Takezawa's contributions to variable resistor technology exemplify the spirit of innovation in the electronics industry. His patent and collaborative efforts continue to influence the development of reliable electronic components.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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