Company Filing History:

18 out of 42,485

Hitachi, Ltd.

patents

1 out of 9

Hitachi Instruments Engineering Co., Ltd.

patents

1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1977-2003

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6574966 - Gas turbine for power generation (2003-06-10),

2. 6546713 - Gas turbine for power generation, and combined power generation system (2003-04-15),

3. 6419453 - Steam turbine rotor shaft (2002-07-16),

4. 6248969 - Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor (2001-06-19),

5. 6182439 - High and low pressure sides-integrating system turbine, long blades thereof and combined cycle power generation system (2001-02-06),

6. 6174132 - Steam-turbine power plant and steam turbine (2001-01-16),

7. 6123504 - Steam-turbine power plant and steam turbine (2000-09-26),

8. 6074169 - High and low pressure sides-integrating steam turbine, long blades (2000-06-13),

9. 5964091 - Gas turbine combustor and gas turbine (1999-10-12),

10. 5961284 - High strength heat resisting cast steel, steam turbine casing, steam (1999-10-05),

11. 5898177 - Electron microscope (1999-04-27),

12. 5749228 - Steam-turbine power plant and steam turbine (1998-05-12),

13. 5008072 - Heat resistant steel and gas turbine components composed of the same (1991-04-16),

14. 4933228 - Thermosetting resin and prepreg and laminate using the same (1990-06-12),

15. 4912544 - Corrosion-resistant aluminum electronic material (1990-03-27),

Title: Ryo Hiraga: Innovator in Gas Turbine Technology

Introduction: Ryo Hiraga, based in Hitachiota, Japan, is a prominent inventor known for his significant contributions to the field of power generation technology. With a remarkable portfolio of 19 patents, Hiraga's work primarily focuses on gas turbine systems, playing a crucial role in advancing energy solutions.

Latest Patents: Among his latest innovations are two noteworthy patents: the "Gas Turbine for Power Generation" and the "Combined Power Generation System." These inventions not only reflect his expertise but also highlight the potential for increasing efficiency and sustainability in energy production.

Career Highlights: Ryo Hiraga has had an impressive career, working with notable companies such as Hitachi, Ltd. and Hitachi Instruments Engineering Co., Ltd. His tenure in these organizations has allowed him to develop and refine his innovative ideas, leading to the successful patenting of his inventions.

Collaborations: Throughout his career, Hiraga has collaborated with esteemed colleagues like Yutaka Fukui and Shigeyoshi Nakamura. These partnerships have been instrumental in fostering creativity and innovation, resulting in various advancements in gas turbine technology.

Conclusion: Ryo Hiraga continues to be a pivotal figure in the realm of power generation technology. His extensive patent portfolio and collaborative spirit exemplify his dedication to innovation, making him a vital contributor to the future of energy solutions.

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