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For the Inventor, By the Inventor

Kashiwa, Japan

Takashi Kanai

This inventor holds 17 USPTO granted patents. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 1989-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Kanai. Retrieved from https://idiyas.com/inventor/takashi-kanai

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

USPTO Granted Patents = 17

% Patents Active = 76.5

Average Co-Inventor Count = 4.0

ph-index = 8

Forward Citations = 232(Granted Patents)


Location History:

  • Chiba-ken, JP (2001)
  • Kashiwa, JP (1989 - 2004)

Company Filing History:

goldMedal17 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents

Years Active: 1989-2004

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17 patents (USPTO):Explore Patents
1. 6772590 - Hydraulic driving device (2004-08-10),
2. 6651428 - Hydraulic drive device (2003-11-25),
3. 6584770 - Hydraulic drive system (2003-07-01),
4. 6526747 - Hydraulic driving device (2003-03-04),
5. 6408622 - Hydraulic drive device (2002-06-25),
6. 6397591 - Hydraulic driving unit (2002-06-04),
7. 6192681 - Hydraulic drive apparatus (2001-02-27),
8. 6176126 - Engine speed control system for construction machine (2001-01-23),
9. 6105367 - Hydraulic drive system (2000-08-22),
10. 5535587 - Hydraulic drive system (1996-07-16),
11. 5251444 - Hydraulic drive system and valve apparatus (1993-10-12),
12. 5203168 - Hydraulic driving circuit with motor displacement limitation control (1993-04-20),
13. 5048294 - Safety device for hydraulic closed circuit (1991-09-17),
14. 5003776 - Hydraulic drive system (1991-04-02),
15. 4919390 - Solenoid operated valve apparatus (1990-04-24),

Title: The Innovative Contributions of Takashi Kanai

Introduction

Takashi Kanai is a prominent inventor based in Kashiwa, Japan. He has made significant contributions to the field of hydraulic systems, holding a total of 17 patents. His work focuses on enhancing the operability and efficiency of hydraulic drive systems.

Latest Patents

One of Kanai's latest patents is a hydraulic driving device that maintains a differential pressure between the delivery pressure of a fixed displacement hydraulic pump and the maximum load pressure among multiple actuators. This is achieved through an unloading valve that adjusts based on engine revolution speed. This innovative design ensures fine operability and superior response in hydraulic drive systems. Another notable patent involves controlling differential pressures across flow control valves using pressure compensating valves. This system allows for the maintenance of a target differential pressure, adapting to changes in engine revolution speed for improved performance.

Career Highlights

Kanai is currently employed at Hitachi Construction Machinery Co., Ltd., where he continues to develop advanced hydraulic technologies. His expertise in hydraulic systems has positioned him as a key figure in the industry, contributing to the company's reputation for innovation.

Collaborations

Throughout his career, Kanai has collaborated with talented individuals such as Yasutaka Tsuruga and Junya Kawamoto. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Takashi Kanai's contributions to hydraulic systems exemplify the spirit of innovation. His patents reflect a commitment to enhancing the functionality and efficiency of hydraulic drive systems. His work continues to influence the industry and inspire 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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