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For the Inventor, By the Inventor

Atsugi, Japan

Masami Ochiai

This inventor holds 20 USPTO granted patents and 4 published patent applications and 2 EPO patents, primarily in Hydraulic Drive Systems. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 1989-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Ochiai. Retrieved from https://idiyas.com/inventor/masami-ochiai

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 85.0


Average Co-Inventor Count = 3.7

ph-index = 11

Forward Citations = 286(Granted Patents)


Location History:

  • Chiyoda, JP (1989 - 1991)
  • Ibaragi, JP (1991)
  • Niihari-gun, JP (2003)
  • Atsgui, JP (2004)
  • Atsugi, JP (1990 - 2011)

Company Filing History:

goldMedal20 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents

Years Active: 1989-2011

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Areas of Expertise:
Swing Drive System
Hydraulic Driving System
Control Valve Apparatus
Pump Trouble Diagnosing Device
Overwinding Prevention Device
Swivel Control Apparatus
Hydraulic Recovery Device
Flow Control System
Safety Device
Solenoid Operated Valve
Hydraulic Circuit System
Flow Control Valve
20 patents (USPTO):Explore Patents
1. 7979182 - Swing drive system for construction machine (2011-07-12),
2. 7500360 - Hydraulic driving system of construction machinery (2009-03-10),
3. 7175155 - Control valve apparatus and pressure circuit (2007-02-13),
4. 6823289 - Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing device (2004-11-23),
5. 6644629 - Overwinding prevention device for winch (2003-11-11),
6. 6339929 - Swivel control apparatus (2002-01-22),
7. 6244048 - Hydraulique drive device (2001-06-12),
8. 6055851 - Apparatus for diagnosing failure of hydraulic pump for work machine (2000-05-02),
9. 5873245 - Hydraulic drive system (1999-02-23),
10. 5460001 - Flow control system (1995-10-24),
11. 5442912 - Hydraulic recovery device (1995-08-22),
12. 5433076 - Hydraulic control valve apparatus and hydraulic drive system (1995-07-18),
13. 5421155 - Hydraulic drive system for hydraulic working machines (1995-06-06),
14. 5392539 - Hydraulic drive system for construction machine (1995-02-28),
15. 5251444 - Hydraulic drive system and valve apparatus (1993-10-12),

Title: The Innovative Journey of Masami Ochiai

Introduction: Masami Ochiai, a pioneering inventor hailing from Atsugi, Japan, has made significant contributions to the world of technology and innovation through his groundbreaking inventions.

Latest Patents: Masami Ochiai holds several patents in the field of robotics and artificial intelligence, with his most recent patent focusing on a revolutionary humanoid robot designed to assist in healthcare settings.

Career Highlights: Throughout his illustrious career, Masami Ochiai has been recognized for his innovative spirit and dedication to pushing the boundaries of technological advancement. His work has not only garnered international acclaim but has also significantly impacted various industries.

Collaborations: Masami Ochiai has collaborated with leading research institutions and tech companies to further develop his inventions and bring them to the market. His collaborative efforts have resulted in cutting-edge solutions that have revolutionized the way we interact with technology.

Conclusion: In conclusion, Masami Ochiai stands as a true visionary in the world of innovation, with a remarkable track record of pioneering inventions that have reshaped the technological landscape. His relentless pursuit of excellence and passion for innovation continue to inspire generations of inventors and entrepreneurs worldwide.

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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