Company Filing History:

22 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

4 out of 488

Mitsubishi Denki K.k.

patents

1 out of 1,625

Mitsubishi Jidosha Kogyo Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1986-2000

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26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6024062 - Hydraulic apparatus for adjusting the timing of opening and closing of (2000-02-15),

2. 5957095 - Valve timing controlling device of internal combustion engine (1999-09-28),

3. 5937808 - Valve timing control system for internal combustion engine (1999-08-17),

4. 5563515 - Cylinder identifying apparatus for a multi-cylinder internal combustion (1996-10-08),

5. 5532930 - Engine-controlling atmospheric pressure detection system (1996-07-02),

6. 5501201 - Flow quantity valve controller and manufacturing method for flow (1996-03-26),

7. 5392748 - Ignition timing controlling device for an engine (1995-02-28),

8. 5368005 - Apparatus for detecting fault in exhaust gas recirculation control (1994-11-29),

9. 5315979 - Electronic control apparatus for an internal combustion engine (1994-05-31),

10. 5172549 - Air-fuel ratio control device for an engine (1992-12-22),

11. 5113347 - Internal combustion engine speed controller for controlling a throttle (1992-05-12),

12. 5101787 - Ignition timing control apparatus for an engine (1992-04-07),

13. 5069182 - Ignition timing control apparatus for an engine (1991-12-03),

14. 5043901 - Air-fuel ratio controller (1991-08-27),

15. 5040515 - Apparatus for detecting throttle opening of an engine (1991-08-20),

Title: Hajime Kako: Innovator in Hydraulic Systems and Valve Timing Control

Introduction

Hajime Kako, based in Himeji, Japan, is a prominent inventor with an impressive portfolio of 26 patents. His work primarily focuses on innovations in hydraulic systems and internal combustion engine technology. Kako’s inventions have significantly advanced the efficiency and reliability of engine operations, showcasing his dedication to innovation in engineering.

Latest Patents

Hajime Kako's recent contributions to technology include two notable patents. The first is a "Hydraulic Apparatus for Adjusting the Timing of Opening and Closing," which addresses the challenges posed by oil sludge accumulation within actuators. This invention introduces a method for cleaning the actuator's inner surface by controlling the hydraulic media during the engine's idle state, thus maintaining the functionality of the valve timing adjustment system. The second patent focuses on the "Valve Timing Controlling Device of Internal Combustion Engine." It features a mechanism that stabilizes the actual valve timing to converge towards a target valve timing, ensuring efficient engine operation through advanced integration control.

Career Highlights

Throughout his career, Hajime Kako has worked with leading companies in the engineering sector, notably Mitsubishi Electric Corporation and Mitsubishi Denki Co., Ltd. His experience in these prestigious organizations has enriched his expertise in hydraulic systems and internal combustion engine technologies, allowing him to contribute valuable innovations to the field.

Collaborations

Kako has collaborated with other skilled professionals, including Masaaki Miyazaki and Shinji Kojima, who have been instrumental in developing his groundbreaking technologies. These collaborations highlight the importance of teamwork in driving technological advancements and improving industry practices.

Conclusion

Hajime Kako's remarkable contributions to hydraulic and engine technology have positioned him as a leading innovator in his field. With 26 patents to his name, his work continues to influence the design and function of modern engine systems, paving the way for more efficient and reliable vehicles in the future.

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