Wako, Japan

Masashi Takezawa

This inventor holds 2 USPTO granted patents. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Hondalock Mfg. Co., Ltd.. Active years: 1990-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Takezawa. Retrieved from https://idiyas.com/inventor/masashi-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 = 9.3

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1990-1995

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2 patents (USPTO):Explore Patents

Title: Masashi Takezawa: Innovator in Automotive Technology

Introduction

Masashi Takezawa is a notable inventor based in Wako, Japan. He has made significant contributions to the field of automotive technology, holding a total of 2 patents. His innovative designs focus on improving vehicle efficiency and safety.

Latest Patents

One of Takezawa's latest patents is an evaporative fuel processing system for internal combustion engines. This system features a vent passage connected to a fuel tank, which is linked to a canister. It includes a two-way valve with a pair of one-way valves that operate in parallel. The valve's opening pressure is adjusted based on the engine's operational state. Additionally, a bypass passage is provided, incorporating a solenoid valve and a one-way valve to enhance functionality.

Another significant patent is a vehicle steering lock device designed for automotive vehicles. This device allows the rotor in a cylinder lock to rotate to a lock position based on specific operations. It includes switching means to detect the rotor's operation and the shift lever's position, ensuring safe parking and preventing erroneous steering lock operations during downhill driving.

Career Highlights

Masashi Takezawa has worked with prominent companies in the automotive industry, including Honda Motor Co., Ltd. and Hondalock Manufacturing Co., Ltd. His experience in these organizations has contributed to his expertise in automotive innovations.

Collaborations

Throughout his career, Takezawa has collaborated with talented individuals such as Takashi Kiyomiya and Takeshi Suzuki. These partnerships have fostered a creative environment that has led to the development of groundbreaking automotive technologies.

Conclusion

Masashi Takezawa's contributions to automotive technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, enhancing vehicle performance and safety.

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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