Hisao Ogawa

This inventor holds 17 USPTO granted patents and 4 published patent applications and 9 EPO patents. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Toho Seisakusho Co., Ltd.. Active years: 2007-2026.

USPTO Granted Patents = 17 (Patent Applications = 4)

% Patents Active = 94.1

EPO Patents = 9 (Patent Applications = 11)

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

Kanagawa-ken, JP (2008)
Sagamihara, JP (2007 - 2024)
Kanagawa, JP (2013 - 2024)

Company Filing History:

11 out of 4,741

Mitsubishi Heavy Industries Limited

patents

6 out of 304

Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.

patents

1 out of 2

Toho Seisakusho Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2007-2026

Loading Chart...

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12704104 - Fuel pressure accumulating device (2026-08-11),

2. 12473880 - Solenoid device and electromagnetic valve for fuel injection system (2025-11-18),

3. 12372051 - Fuel pump (2025-07-29),

4. 12258928 - Fuel injector, and method for driving fuel injector (2025-03-25),

5. 11913414 - Cam, fuel injection pump, and engine (2024-02-27),

6. 11906003 - Coupling device and rotational phase adjustment method for coupling device (2024-02-20),

7. 8857789 - Solenoid type electromagnetic valve device (2014-10-14),

8. 8813721 - Pressure fluctuation control device for controlling pressure fluctuation in upstream side of common rail (2014-08-26),

9. 8602322 - Fuel injection valve of accumulator injection system (2013-12-10),

10. 7597305 - Poppet valve device and electronic controlled fuel injection apparatus equipped with the device (2009-10-06),

11. 7467781 - Poppet valve device and electronic controlled fuel injection apparatus equipped with the device (2008-12-23),

12. 7448592 - Poppet valve device and electronic controlled fuel injection apparatus equipped with the device (2008-11-11),

13. 7415972 - Fuel injection apparatus for engines (2008-08-26),

14. 7383819 - Electromagnetic valve device and fuel injection apparatus with the valve device (2008-06-10),

15. D562850 - Magnetic valve unit for a fuel injection pump (2008-02-26),

Title: Hisao Ogawa: Innovator in Fuel Technology

Introduction

Hisao Ogawa is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of fuel technology, holding a total of 15 patents. His innovative designs have advanced the efficiency and functionality of fuel pumps and injectors.

Latest Patents

One of Hisao Ogawa's latest patents is a fuel pump that includes a pump head, a plunger barrel with a support hole, and a plunger that is freely movable in the axial direction. This design features a pressurization chamber and both fuel discharge and suction passages that enhance fuel delivery. Another notable patent is for a fuel injector that comprises a main body portion with an inflow port, a flow passage, and a discharge port. This injector utilizes a valve unit formed from a magnetic body, which can move between open and closed positions, and is driven by a solenoid device that generates electromagnetic force.

Career Highlights

Hisao Ogawa has worked with notable companies such as Mitsubishi Heavy Industries Limited and Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in fuel technology.

Collaborations

Throughout his career, Ogawa has collaborated with talented individuals, including Takashi Kaneko and Masaki Toda. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Hisao Ogawa's work in fuel technology exemplifies innovation and dedication to improving efficiency in fuel systems. His contributions continue to impact the industry positively.