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For the Inventor, By the Inventor

Atsugi, Japan

Masanobu Horiguchi

This inventor holds 12 USPTO granted patents. Top assignees: Unisia Jecs Corporation, Hitachi Unisia Automotive, Ltd.. Active years: 1997-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanobu Horiguchi. Retrieved from https://idiyas.com/inventor/masanobu-horiguchi

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

USPTO Granted Patents = 12

% Patents Active = 75.0

Average Co-Inventor Count = 1.3

ph-index = 5

Forward Citations = 114(Granted Patents)


Location History:

  • Kanagawa-ken, JP (1997 - 1998)
  • Gunma, JP (1999)
  • Atsugi, JP (1998 - 2004)

Company Filing History:

goldMedal10 out of 556 
 
Unisia Jecs Corporation
 patents
silverMedal2 out of 49 
 
Hitachi Unisia Automotive, Ltd.
 patents

Years Active: 1997-2004

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12 patents (USPTO):Explore Patents
1. 6814689 - Hydraulic control apparatus of automatic transmission and method thereof (2004-11-09),
2. 6799111 - Control apparatus and control method of automatic transmission for vehicle (2004-09-28),
3. 6726589 - Apparatus and method for controlling oil pressure of an automatic transmission (2004-04-27),
4. 6579207 - Hydraulic control method of an automatic transmission and apparatus thereof (2003-06-17),
5. 6216073 - Apparatus and method for controlling a speed change of an automatic transmission (2001-04-10),
6. 6098002 - Apparatus and method for controlling speed change of a vehicle automatic (2000-08-01),
7. 5974353 - Apparatus and method for detecting running resistance of a vehicle (1999-10-26),
8. 5967942 - Gearshift pressure controller using torque ratio of oncoming/offgoing (1999-10-19),
9. 5890993 - Method of controlling the downhill running of a vehicle and apparatus (1999-04-06),
10. 5806009 - Shift control apparatus and method for automatic transmission of vehicle (1998-09-08),
11. 5765117 - Method and apparatus for controlling the speed change of a vehicle (1998-06-09),
12. 5672139 - Drive force controller for an automatic transmission (1997-09-30),

Title: Masanobu Horiguchi: Innovator in Hydraulic Control Systems

Introduction

Masanobu Horiguchi is a prominent inventor based in Atsugi, Japan. He has made significant contributions to the field of hydraulic control systems, particularly in automatic transmissions. With a total of 12 patents to his name, Horiguchi's work has had a lasting impact on automotive technology.

Latest Patents

Horiguchi's latest patents include a hydraulic control apparatus for automatic transmissions and a method thereof. This invention involves delivering hydraulic pressure periodically to friction engagement elements in released states to discharge air mixed into a hydraulic circuit. The duty ratio in hydraulic pressure delivery is switched to various values based on operating conditions. The air discharge control is terminated when the sum of the ratios reaches a predetermined value or above. Another notable patent is the control apparatus and control method for automatic transmissions in vehicles. This invention calculates grade resistance based on driving force, acceleration, and rolling/air resistance. It intelligently judges down-slope conditions based on whether the brake switch is ON or OFF, enhancing vehicle control.

Career Highlights

Throughout his career, Horiguchi has worked with notable companies such as Unisia Jecs Corporation and Hitachi Unisia Automotive, Ltd. His experience in these organizations has allowed him to refine his expertise in hydraulic systems and automatic transmissions.

Collaborations

Horiguchi has collaborated with esteemed colleagues, including Akira Ikeda and Hideki Sekiguchi. Their combined efforts have contributed to advancements in automotive technology and hydraulic control systems.

Conclusion

Masanobu Horiguchi's innovative work in hydraulic control systems has significantly influenced the automotive industry. His patents reflect a deep understanding of complex engineering challenges and a commitment to improving vehicle performance.

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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