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For the Inventor, By the Inventor

Jyuou, Japan

Masakazu Takasumi

This inventor holds 12 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1978-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Takasumi. Retrieved from https://idiyas.com/inventor/masakazu-takasumi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 11

Forward Citations = 297(Granted Patents)


Location History:

  • Juoh, JP (1987)
  • Ibaraki, JP (1978 - 1998)
  • Jyuou, JP (1996 - 2003)
  • Juou, JP (2003 - 2005)
  • Hitachi, JP (2008)

Company Filing History:

goldMedal12 out of 42,743 
 
Hitachi, Ltd.
 patents

Years Active: 1978-2008

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12 patents (USPTO):Explore Patents
1. 7429164 - Turbine moving blade (2008-09-30),
2. 6846160 - Turbine bucket (2005-01-25),
3. 6579066 - Turbine bucket (2003-06-17),
4. 6568908 - Steam turbine (2003-05-27),
5. 6341941 - Steam turbine (2002-01-29),
6. 5829955 - Steam turbine (1998-11-03),
7. 5498136 - Fluid machinery having blade apparatus and blade apparatus for fluid (1996-03-12),
8. 4685335 - Method and apparatus for monitoring cracks of a rotatable body (1987-08-11),
9. 4453407 - Vibration diagnosis method and apparatus for rotary machines (1984-06-12),
10. 4448077 - Vibration diagnosis method for rotary machine (1984-05-15),
11. 4435770 - Vibration diagnosing method and apparatus for a rotary machine (1984-03-06),
12. 4098127 - Balancing method for use in multiple-span rotor shaft system and (1978-07-04),

Title: Masakazu Takasumi: Innovator in Turbine Technology

Introduction

Masakazu Takasumi is a prominent inventor based in Jyuou, Japan. He has made significant contributions to the field of turbine technology, holding a total of 12 patents. His innovative designs have advanced the efficiency and functionality of turbine systems.

Latest Patents

Among his latest patents are the turbine moving blade and the turbine bucket. The turbine moving blade features a blade portion that extends from the basal portion to the tip, with an integral cover designed to manage the elastic restoring force during installation. The turbine bucket, intended for the low-pressure last stage of a steam turbine, connects adjacent blades without the need for a connecting member, showcasing a twisted blade sectional configuration that enhances performance.

Career Highlights

Masakazu Takasumi has dedicated his career to advancing turbine technology while working at Hitachi, Ltd. His work has been instrumental in developing innovative solutions that improve turbine efficiency and reliability.

Collaborations

He has collaborated with notable coworkers such as Kiyoshi Namura and Eiji Saito, contributing to various projects that push the boundaries of turbine design.

Conclusion

Masakazu Takasumi's contributions to turbine technology exemplify his innovative spirit and dedication to engineering excellence. His patents continue to influence the industry and pave the way for future advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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