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For the Inventor, By the Inventor

Sakai, Japan

Masayuki Sakaguchi

This inventor holds 8 USPTO granted patents. Top assignees: Kubota Corporation, Kubotatekko Kabushiki Kaisha, Metcal, Inc.. Active years: 1979-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Sakaguchi. Retrieved from https://idiyas.com/inventor/masayuki-sakaguchi

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 6

Forward Citations = 92(Granted Patents)


Location History:

  • Ishizukita, JP (1981 - 1983)
  • Osaka, JP (1994)
  • Sakai, JP (1979 - 1997)

Company Filing History:

goldMedal7 out of 2,902 
 
Kubota Corporation
 patents
silverMedal1 out of 11 
 
Kubotatekko Kabushiki Kaisha
 patents
bronzeMedal1 out of 70 
 
Metcal, Inc.
 patents
4. 1 out of 1 
 
Muramoto Construction Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1979-1997

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8 patents (USPTO):Explore Patents
1. 5623793 - Permanent form for placing basement concrete wall (1997-04-29),
2. 5338920 - Method of manufacturing and joining electro-fusion fitting (1994-08-16),
3. 4898705 - Method for producing synthetic resin union joint (1990-02-06),
4. 4845819 - Method for coupling two plastic constructive parts used in valve, joint (1989-07-11),
5. 4412802 - Molding device for forming a socket end on a plastic pipe (1983-11-01),
6. 4279853 - Method of forming a socket end on a plastic pipe and a molding device (1981-07-21),
7. 4275909 - Flexible plastic pipe joint (1981-06-30),
8. 4135961 - Method of molding a socket part on a synthetic resinous pipe end (1979-01-23),

Title: The Innovations of Masayuki Sakaguchi

Introduction

Masayuki Sakaguchi is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of engineering, particularly in construction and manufacturing. With a total of 8 patents to his name, Sakaguchi has demonstrated a commitment to innovation and problem-solving.

Latest Patents

Among his latest patents are the "Permanent form for placing basement concrete wall" and the "Method of manufacturing and joining electro-fusion fitting." These inventions showcase his expertise in creating efficient and effective solutions for construction challenges.

Career Highlights

Sakaguchi has worked with prominent companies such as Kubota Corporation and Metcal, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various projects that have advanced the industry.

Collaborations

Throughout his career, Sakaguchi has collaborated with talented individuals, including Junsuke Kyomen and Tadao Yoshizawa. These partnerships have fostered a creative environment that has led to innovative solutions and advancements in their respective fields.

Conclusion

Masayuki Sakaguchi's contributions to engineering and innovation are commendable. His patents and collaborations reflect his dedication to improving construction methods and manufacturing processes. His work continues to influence the industry positively.

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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