Company Filing History:

27 out of 2,606

Ngk Spark Plug Company, Limited

patents

1 out of 6,142

Bayerische Motoren Werke Aktiengesellschaft

patents

where one patent can have more than one assignee

Years Active: 1982-2012

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27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE43758 - Spark plug with alloy chip (2012-10-22),

2. 6707237 - Spark plug (2004-03-16),

3. 6064143 - Multielectrode spark plug (2000-05-16),

4. 5866973 - Spark plug having a platinum tip on an outer electrode (1999-02-02),

5. 5793793 - Spark plug (1998-08-11),

6. 5793151 - Creeping discharge spark plug (1998-08-11),

7. 5574329 - Spark plug and a method of making the same for an internal combustion (1996-11-12),

8. 5556315 - Method of making a spark plug for an internal combustion engine (1996-09-17),

9. 5497045 - Spark plug having a noble metal electrode portion (1996-03-05),

10. 5478265 - Spark plug and a method of making of same (1995-12-26),

11. 5461276 - Electrode for a spark plug in which a firing tip is laser welded to a (1995-10-24),

12. 5461210 - Method of manufacturing a spark plug electrode (1995-10-24),

13. 5347856 - Misfire detector device for use in an internal combustion engine (1994-09-20),

14. 5347855 - Misfire detector device for use in an internal combustion engine (1994-09-20),

15. 5189333 - Multi-gap spark plug for an internal combustion engine (1993-02-23),

Title: Innovator Junichi Kagawa: A Pioneer in Spark Plug Technology

Introduction

Junichi Kagawa, an accomplished inventor based in Nagoya, Japan, has made significant contributions to the field of spark plug technology. With a remarkable portfolio of 27 patents, Kagawa has been at the forefront of innovation, developing new designs and materials that enhance the performance and efficiency of spark plugs.

Latest Patents

Kagawa's latest patents include innovations that redefine spark plug design. One notable patent describes a spark plug featuring a central electrode with an insulator surrounding it. This design incorporates a main metallic shell, a ground electrode, and a unique alloy chip secured to either electrode. The chip, made of a metal based on Iridium (Ir) and containing Rhenium (Rh) in specific proportions, is instrumental in forming a spark discharge gap. Another notable patent involves a noble metal chip positioned at the end of the center electrode. This chip has precise dimensions, and its design parameters ensure optimal spark discharge for improved ignition performance.

Career Highlights

Throughout his career, Junichi Kagawa has worked with prestigious companies, including NGK Spark Plug Company, Limited and Bayerische Motoren Werke Aktiengesellschaft (BMW). His experience in these organizations has not only honed his engineering skills but also positioned him as a leading expert in spark plug innovations.

Collaborations

Kagawa has collaborated with talented individuals, including Wataru Matsutani and Akihiro Toya. These collaborative efforts have contributed to refining spark plug designs and exploring new technologies that push the boundaries of automotive engineering.

Conclusion

In conclusion, Junichi Kagawa stands out as a prominent inventor in the automotive sector, particularly known for his innovative spark plug technologies. His extensive patent portfolio and collaborative projects illustrate his dedication to advancing engineering solutions that enhance vehicle performance. Kagawa's contributions continue to impact the industry, reflecting the importance of innovation in driving technology forward.

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