Tokyo, Japan

Masazumi Yamamoto

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masazumi Yamamoto. Retrieved from https://idiyas.com/inventor/masazumi-yamamoto

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1999

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2 patents (USPTO):Explore Patents

Title: Masazumi Yamamoto: Innovator in Gas Insulated Electrical Apparatus

Introduction

Masazumi Yamamoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of gas insulated electrical apparatuses. With a total of 2 patents, his work has been instrumental in advancing technology in this area.

Latest Patents

Yamamoto's latest patents include a gas insulated electrical apparatus and a gas insulated switchgear apparatus. The gas insulated electrical apparatus features a design where electric devices for three phases are housed within a common gas-filled vessel. This innovative design includes a first and a second curved wall spaced apart by a first distance, along with a third and fourth curved wall that define a substantially oval cross-sectional shape. The arrangement of electric devices in a row between the first and second walls enhances the efficiency of the apparatus.

The gas insulated switchgear apparatus comprises connection conductors linked to a breaker side, disconnectors, cable heads, and lightning arresters. This apparatus is designed to ensure that the axes of the disconnector cylindrical vessel and the cable heads are parallel, optimizing the overall functionality and safety of the system.

Career Highlights

Masazumi Yamamoto is associated with Mitsubishi Electric Corporation, where he has been able to apply his innovative ideas and technical expertise. His work has not only contributed to the company's success but has also set new standards in the industry.

Collaborations

Yamamoto has collaborated with notable coworkers such as Hiroki Sanuki and Takao Yamauchi. Their combined efforts have led to advancements in the field and have fostered a collaborative environment that encourages innovation.

Conclusion

Masazumi Yamamoto's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a key innovator. His work continues to influence the development of gas insulated electrical apparatuses, showcasing the importance of innovation in technology.

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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