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Takasago, Japan

Kazuharu Hirokawa

USPTO Granted Patents = 25 (Patent Applications = 2)

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 3.5

ph-index = 9

Forward Citations = 151(Granted Patents)

Location History:

Hyogo-ken, JP (2001 - 2006)
Hyogo, JP (2006 - 2012)
Takasago, JP (1999 - 2014)
Tokyo, JP (2014 - 2016)

Company Filing History:

24 out of 4,633

Mitsubishi Heavy Industries Limited

Mitsubishi Hitachi Power Systems, Ltd.

Years Active: 1999-2025

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25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12291981 - Blade ring assembly, gas turbine, and method for refurbishing gas turbine (2025-05-06),

2. 12134975 - Blade ring assembly, gas turbine, and method for refurbishing gas turbine (2024-11-05),

3. 9284851 - Axial-flow fluid machine, and variable vane drive device thereof (2016-03-15),

4. 9206705 - Sealing device and gas turbine having the same (2015-12-08),

5. 8899934 - Rotor structure (2014-12-02),

6. 8834103 - Structure for mounting between rotation shaft and lever, method for mounting between rotation shaft and lever, and fluid machine (2014-09-16),

7. 8607604 - Bolt and manufacturing method of bolt (2013-12-17),

8. 8123409 - Journal bearing (2012-02-28),

9. 7114915 - Gas turbine and turbine rotor for a gas turbine (2006-10-03),

10. 6991429 - Sealing structure of spindle bolt, and gas turbine (2006-01-31),

11. 6807870 - Rotary shaft axial elongation measuring method and device (2004-10-26),

12. 6688847 - Shaft structure and bearing structure for tail end of rotor of gas turbine (2004-02-10),

13. 6565311 - Gas turbine steam passage seal structure between blade ring and stationary blade (2003-05-20),

14. 6524061 - Arrangement for sealing a steam-cooled gas turbine (2003-02-25),

15. 6438939 - Combined cycle power plant and cooling steam supply method for gas turbine therein (2002-08-27),

Title: Kazuharu Hirokawa: Pioneering Inventor from Takasago

Introduction: Kazuharu Hirokawa is a renowned inventor hailing from Takasago, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hirokawa's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With a career spanning over two decades, Hirokawa has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hirokawa has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Kazuharu Hirokawa's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible make him a true visionary in the world of technology and invention.

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