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For the Inventor, By the Inventor

Toyota, Japan

Kazumi Ogawa

This inventor holds 27 USPTO granted patents and 3 EPO patents, primarily in Variable Valve Timing. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumi Ogawa. Retrieved from https://idiyas.com/inventor/kazumi-ogawa

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

USPTO Granted Patents = 27

% Patents Active = 81.5

 

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 155(Granted Patents)


Location History:

  • Aichi-pref., JP (1999 - 2000)
  • Aichi-ken, JP (2000)
  • Toyota, JP (1998 - 2014)

Company Filing History:

goldMedal27 out of 5,207 
 
Aisin Seiki Kabushiki Kaisha
 patents

Years Active: 1998-2014

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Areas of Expertise:
Hybrid Vehicle
Torque Absorber
Valve Timing Control
Fluid Supply
Internal Combustion Engine
Timing Regulation
Variable Timing System
Timing Controller
Engine Control
Automotive Technology
Timing Device
27 patents (USPTO):Explore Patents
1. 8779639 - Drive apparatus for hybrid vehicle and case thereof (2014-07-15),
2. 8469827 - Torque fluctuation absorber (2013-06-25),
3. 7571700 - Valve timing control apparatus (2009-08-11),
4. 7513227 - Valve timing control device (2009-04-07),
5. 7503294 - Apparatus for controlling valve opening/closing timing (2009-03-17),
6. 7444970 - Valve timing controlling apparatus (2008-11-04),
7. 7311069 - Variable valve timing control device (2007-12-25),
8. 7225775 - Fluid supply apparatus (2007-06-05),
9. 6962133 - Variable valve timing control device (2005-11-08),
10. 6920853 - Variable valve timing control device (2005-07-26),
11. 6886515 - Apparatus for controlling internal combustion engine equipped with variable valve timing control device (2005-05-03),
12. 6662769 - Valve timing control device (2003-12-16),
13. 6553951 - Valve timing regulation device for internal combustion engines (2003-04-29),
14. 6477996 - Variable valve timing system (2002-11-12),
15. 6450137 - Variable valve timing system (2002-09-17),

Title: Kazumi Ogawa: Innovator in Hybrid Vehicle Technology

Introduction

Kazumi Ogawa is a prominent inventor located in Toyota, Japan, recognized for his significant contributions to automotive technology. With an impressive portfolio of 27 patents, he has made substantial advancements, particularly in the field of hybrid vehicles.

Latest Patents

Ogawa's innovative spirit is exemplified in his latest patents, which showcase his expertise in hybrid technology. One notable invention is the "Drive Apparatus for Hybrid Vehicle and Case Thereof." This patent describes a sophisticated drive apparatus designed for hybrid vehicles. It features an input shaft connected to an engine, a motor with a rotor and stator, an output shaft coaxially arranged with the rotor, and a clutch device that selectively engages the input and output shafts. The case of this apparatus supports various components, including an oil sump designed to ensure efficient lubrication.

Another cutting-edge invention is his "Torque Fluctuation Absorber." This device incorporates a seating member with a pivoting portion and a supporting portion that facilitates rotational support. It effectively manages torque fluctuations between two rotational members, significantly enhancing performance and reliability in automotive applications.

Career Highlights

Kazumi Ogawa's career is marked by his tenure at Aisin Seiki Kabushiki Kaisha, a company known for its innovative automotive components. His extensive experience and commitment to technological advancement have positioned him as a leading inventor in his field.

Collaborations

Throughout his career, Ogawa has collaborated with notable colleagues, including Katsuhiko Eguchi and Naoki Kira. These partnerships not only highlight his ability to work effectively within a team but also enhance the innovative output at Aisin Seiki, further pushing the boundaries of automotive technology.

Conclusion

Kazumi Ogawa's contributions to the field of hybrid vehicles are invaluable, underscored by his 27 patents that reflect his commitment to innovation. As he continues to work at Aisin Seiki Kabushiki Kaisha, Ogawa remains a vital player in shaping the future of automotive technology, consistently pushing for advancements that enhance vehicle efficiency and 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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