Company Filing History:

9 out of 4,618

Mitsubishi Heavy Industries Limited

patents

2 out of 1,326

Mitsubishi Jukogyo Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1992-2013

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11 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 8362393 - Method for improving residual stress in tubular body and apparatus for improving residual stress in tubular body (2013-01-29),

2. 8362389 - Apparatus for improving residual stress in tubular body and adjustment method of the same (2013-01-29),

3. 8044323 - Apparatus for improving residual stress of piping technical field (2011-10-25),

4. 7485828 - Residual stress improving apparatus for piping technical field (2009-02-03),

5. 6744547 - Laser wavelength converter (2004-06-01),

6. 6721347 - Solid state laser apparatus (2004-04-13),

7. 6664507 - Laser machining apparatus (2003-12-16),

8. 6608281 - Laser beam machining head and laser beam machining apparatus having same (2003-08-19),

9. 6294754 - Laser beam machining head (2001-09-25),

10. 5218258 - Ultrasonic motor and laser beam welding apparatus using the same (1993-06-08),

11. 5097110 - Reflecting mirror for a laser beam and laser beam welding apparatus, (1992-03-17),

Title: Takashi Akaba: Innovator in Tubular Body Stress Improvement

Introduction

Takashi Akaba is a prominent inventor based in Kobe, Japan, known for his significant contributions to the field of engineering, particularly in improving residual stress in tubular bodies. With a total of 11 patents to his name, Akaba has made notable advancements that enhance the reliability and efficiency of tubular structures.

Latest Patents

Among his latest patents are the "Method for improving residual stress in tubular body" and "Apparatus for improving residual stress in tubular body." These innovations aim to provide methods and apparatuses that reliably improve residual stress by clearly defining treatment conditions without being influenced by the installation state and configuration of the tubular body. The method involves irradiating the outer-circumferential surface of a welded portion of a cylindrical tubular body with a laser beam, ensuring that the stress produced is greater than the yielding stress of the material. The apparatus includes an optical control unit that allows for precise adjustments in the irradiation position, even when the optical fiber is eccentric.

Career Highlights

Throughout his career, Takashi Akaba has worked with notable companies such as Mitsubishi Heavy Industries Limited and Mitsubishi Jukogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative solutions for engineering challenges.

Collaborations

Akaba has collaborated with esteemed colleagues, including Takashi Ishide and Tadashi Nagashima, further enhancing the impact of his work in the field.

Conclusion

Takashi Akaba's contributions to the engineering sector, particularly in improving residual stress in tubular bodies, showcase his innovative spirit and dedication to advancing technology. His patents reflect a commitment to enhancing the reliability of engineering solutions, making him a significant figure in his field.

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