Company Filing History:

18 out of 4,631

Mitsubishi Heavy Industries Limited

patents

6 out of 166

Mitsubishi Heavy Industries Thermal Systems, Ltd.

patents

1 out of 35

Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.

patents

Years Active: 2003-2024

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25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11939977 - Scroll compressor including fixed and orbiting scroll having stepped portions and a surface hardened treatment (2024-03-26),

2. 11415130 - Scroll compressor (2022-08-16),

3. 11092155 - Scroll compressor including fixed and orbiting scrolls having different heights and surface hardenings (2021-08-17),

4. 10844719 - Scroll fluid machine including a pair of fixed scrolls and an orbiting scroll (2020-11-24),

5. 10766120 - Method and device for manufacturing compressor scrolls, compressor scroll, and scroll compressor (2020-09-08),

6. 10677356 - Sealing structure for airtight container and vehicle refrigerant compressor provided with said structure (2020-06-09),

7. 10634140 - Scroll compressor with step (2020-04-28),

8. 8714950 - Scroll compressor having tip seals of different lengths having different thickness or widths (2014-05-06),

9. 8403655 - Scroll compressor having an allowable angle of rotation (2013-03-26),

10. 8313317 - Scroll fluid machine with cold forged eccentric crankshaft (2012-11-20),

11. 8308461 - Scroll compressor with improved rotation prevention mechanism (2012-11-13),

12. 8157553 - Scroll compressor having a shifted gravity center (2012-04-17),

13. 8152501 - Scroll compressor for preventing performance deterioration and variation due to gas leakage (2012-04-10),

14. 8038421 - Scroll compressor having an allowable angle of rotation (2011-10-18),

15. 7905716 - Scroll compressor (2011-03-15),

Title: The Innovative Contributions of Katsuhiro Fujita

Introduction: Katsuhiro Fujita, an accomplished inventor based in Aichi, Japan, has made significant strides in the field of mechanical engineering, particularly in the development of scroll compressors. With an impressive portfolio of 25 patents, Fujita’s contributions have greatly enhanced the efficiency and functionality of compressor technology.

Latest Patents: Among his most recent inventions is a revolutionary scroll compressor that combines a fixed scroll with an orbiting scroll featuring stepped portions and a surface hardening treatment. This innovative design includes a discharge port that facilitates the effective release of fluid compressed by the scrolls. Notably, the end plate of the orbiting scroll has been designed with a stepped portion to optimize the height differences, enhancing operational efficiency. Another recent patent focuses on the integrated lubricating oil passages in both the fixed and orbiting scrolls, ensuring improved lubrication and operational longevity for the scroll compressor.

Career Highlights: Fujita has gained substantial experience working with prominent companies such as Mitsubishi Heavy Industries Limited and Mitsubishi Heavy Industries Thermal Systems, Ltd. His work in these organizations has allowed him to innovate and refine technologies crucial to modern compressor systems.

Collaborations: Throughout his career, Katsuhiro Fujita has collaborated with notable colleagues, including Makoto Takeuchi and Takayuki Kuwahara. These collaborations have enriched his inventions and expanded the impact of his work within the industry.

Conclusion: Katsuhiro Fujita’s dedication to innovation in scroll compressor technology exemplifies the spirit of invention. His extensive patent portfolio and collaborative efforts showcase his commitment to pushing the boundaries of mechanical engineering, making him a key figure in the evolution of compressor systems. As the demand for efficient technologies continues to grow, Fujita’s contributions will undoubtedly leave a lasting legacy in the field.

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