Gifu, Japan

Yoshiaki Mase

This inventor holds 5 USPTO granted patents. Top assignee: Howa Machinery, Ltd.. Active years: 1991-1997.


% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 5

Forward Citations = 49(Granted Patents)


Location History:

  • Gifu, JP (1991 - 1994)
  • Gifu-ken, JP (1997)
  • Hozumi-Cho, JP (1997)

Company Filing History:


Years Active: 1991-1997

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5 patents (USPTO):Explore Patents

Title: Celebrating the Innovations of Yoshiaki Mase

Introduction: Yoshiaki Mase, an accomplished inventor based in Gifu, Japan, has made significant contributions to the field of machine tools. With a total of five patents to his name, Mase has demonstrated a commitment to enhancing tool efficiency and functionality in manufacturing processes.

Latest Patents: Among his recent innovations, Yoshiaki Mase has developed a cutting-edge tool magazine for machine tools. This tool magazine retains the basic construction of its prior art counterpart but introduces the ability to manage tools with larger diameters, expanding its applicability. The design includes a magazine body equipped with an endless guide groove and multiple tool pots, each housing a tool and fitted with guide members for smooth movement along the guide groove. The incorporation of idlers between the tool pots allows for fluid transitions along the groove, enhancing efficiency. Each guide member is carefully coated with an abrasion-resistant film, ensuring durability and low friction during operation.

Additionally, Mase has patented a sophisticated tool-changing method and apparatus. This innovation classifies tools into small and large types based on their ability to fit through a space between gripping units in an open position. For small tools, the mechanism facilitates seamless movement to the tool change position while a machining operation is ongoing. For larger tools, the design effectively holds them in a standby position until the headstock is correctly aligned for a tool change—all of which streamline the machining protocol and improve productivity.

Career Highlights: Yoshiaki Mase's career at Howa Machinery, Ltd. has been marked by his relentless pursuit of innovation in machine tools. His contributions have positioned the company as a leader in providing advanced manufacturing solutions. His practical experience and technical expertise continue to influence the design and functionality of tools within the industry.

Collaborations: Throughout his career, Mase has collaborated with talented colleagues, including Tetsuya Oketani and Yukihiro Sakakibara. These partnerships have fostered an environment of creativity and problem-solving, allowing Mase to refine his inventions and contribute meaningfully to their projects.

Conclusion: Yoshiaki Mase stands out as a prominent figure in the world of machine tool innovation. His patents reflect a deep understanding of industry needs and a commitment to enhancing operational efficiency. As he continues to develop new technologies, Mase is set to leave a lasting impact on the manufacturing sector.

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