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For the Inventor, By the Inventor

Numazu, Japan

Masaki Sugiyama

This inventor holds 9 USPTO granted patents and 10 EPO patents. Top assignee: Makita Corporation. Active years: 2013-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Sugiyama. Retrieved from https://idiyas.com/inventor/masaki-sugiyama-e6j9jypf

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

USPTO Granted Patents = 9

% Patents Active = 66.7


Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Anjo, JP (2014 - 2015)
  • Numazu, JP (2013 - 2016)

Company Filing History:

goldMedal9 out of 2,328 
 
Makita Corporation
 patents

Years Active: 2013-2016

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9 patents (USPTO):Explore Patents
1. 9410513 - Engine configured to drive a diaphragm fuel pump using pressure fluctuation in a crank chamber of the engine (2016-08-09),
2. 9115645 - Engine-driven cutter (2015-08-25),
3. 8793885 - Engine driven cutter (2014-08-05),
4. 8707928 - Lubrication apparatus for four-stroke engine (2014-04-29),
5. 8701622 - Lubrication system for portable four-stroke engine (2014-04-22),
6. 8695563 - Lubrication system for four-stroke engine (2014-04-15),
7. 8596482 - Liquid tank for working machine engine and liquid tank cap (2013-12-03),
8. 8439157 - Engine (2013-05-14),
9. 8387595 - Lubricating device for four-stroke engine (2013-03-05),

Title: Masaki Sugiyama: Innovator in Engine Technology

Introduction

Masaki Sugiyama is a notable inventor based in Numazu, Japan. He has made significant contributions to engine technology, holding a total of 9 patents. His work focuses on enhancing the efficiency and functionality of engine-driven devices.

Latest Patents

One of his latest patents is an engine configured to drive a diaphragm fuel pump using pressure fluctuation in a crank chamber of the engine. This innovative design includes a crank chamber where pressure fluctuations occur, along with a carburetor that features a diaphragm fuel pump. The diaphragm fuel pump is equipped with a pump chamber that is designed to suck in and eject fuel, as well as a diaphragm chamber that receives the pressure necessary to drive the pump chamber. Notably, the diaphragm chamber and the crank chamber are interconnected, creating a negative pressure in the crank chamber.

Another recent invention is an engine-driven cutter. This handheld device is equipped with a disk blade and a main body that powers the blade. The main body consists of a four-stroke engine, an oil supplying opening for engine oil, and an oil exhausting opening for the spent oil. In this design, both the oil supplying and exhausting openings are strategically located on one side of the main body, where one end of the driving axis of the four-stroke engine is situated.

Career Highlights

Masaki Sugiyama is currently associated with Makita Corporation, a company renowned for its innovative power tools and equipment. His work at Makita has allowed him to develop cutting-edge technologies that enhance the performance of various engine-driven products.

Collaborations

Throughout his career, Sugiyama has collaborated with talented individuals such as Tetsuya Hasegawa and Toshihiro Tomita. These collaborations have contributed to the advancement of engine technology and the development of new inventions.

Conclusion

Masaki Sugiyama's contributions to engine technology through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence the design and functionality of engine-driven devices, showcasing the importance of innovation in engineering.

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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