Kariya, Japan

Toshifumi Hasegawa


Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 74(Granted Patents)


Location History:

  • Kariya, JA (1978)
  • Kariya, JP (1982 - 1984)
  • Ohbu, JP (1986 - 1988)

Company Filing History:


Years Active: 1978-1988

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8 patents (USPTO):Explore Patents

Title: Innovations by Toshifumi Hasegawa

Introduction

Toshifumi Hasegawa is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of machine tools, holding a total of eight patents. His work focuses on enhancing the efficiency and functionality of tool transfer mechanisms and spindle heads in machine tools.

Latest Patents

One of Hasegawa's latest patents is a tool transfer mechanism designed for transferring tools between a gateway position of a tool storage magazine and an exchange position adjacent to a spindle. This mechanism includes a base mounted on a frame, an actuator for rectilinearly moving the base, and a holding arm that is resiliently biased toward the tool. The holding arm releases the tool when the base is at the gateway position, and the base rotates to change the tool's posture for optimal alignment with the spindle. Another notable patent is for a spindle head for a machine tool, which rotatably carries a tool spindle connected to a drive motor. This design features a drawing bar that clamps the tool and an annular cylinder device that allows for unclamping without applying substantial thrust force to the tool spindle.

Career Highlights

Hasegawa's career is marked by his innovative designs and contributions to the machine tool industry. His patents reflect a deep understanding of mechanical engineering and a commitment to improving tool handling processes. He works at Toyoda Koki Kabushiki Kaisha, a company known for its advanced manufacturing technologies.

Collaborations

Hasegawa collaborates with notable colleagues such as Kenichi Munekata and Fumihiko Ohkoshi. Their combined expertise contributes to the development of cutting-edge technologies in the field.

Conclusion

Toshifumi Hasegawa's work exemplifies innovation in machine tool technology. His patents not only enhance operational efficiency but also demonstrate his commitment to advancing the industry. His contributions will continue to influence the future of machine tools.

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