Eiji Okawachi

USPTO Granted Patents = 16 (Patent Applications = 5)

CIPO Patents = 3

EPO Patents = 8 (Patent Applications = 8)

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 52(Granted Patents)

Company Filing History:

15 out of 36,713

Toyota Jidosha Kabushiki Kaisha

Toyota Jidosha Kabusiiiki Kaisiia

patent

where one patent can have more than one assignee

Years Active: 2013-2025

Loading Chart...

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12313224 - Hydrogen filling method, hydrogen filling apparatus, program, and record medium (2025-05-27),

2. 11374243 - Fuel cell system and fuel cell vehicle (2022-06-28),

3. 10996691 - Pressure reducing valve device (2021-05-04),

4. 10493843 - Vehicle (2019-12-03),

5. 10081242 - Fuel cell vehicle (2018-09-25),

6. 9897219 - Pressure reduction valve and gas supply device (2018-02-20),

7. 9874289 - Valve main unit and method of manufacturing the same (2018-01-23),

8. 9822884 - Valve device and poppet (2017-11-21),

9. 9810327 - Pressure reducing valve (2017-11-07),

10. 9464731 - Pressure reducing valve (2016-10-11),

11. 9249935 - Fuel supply system (2016-02-02),

12. 9109750 - Gas filling method, gas filling system, gas station and mobile unit (2015-08-18),

13. 8770012 - Fuel leakage detection system and detection method (2014-07-08),

14. 8550105 - Valve system of high pressure tank for vehicle (2013-10-08),

15. 8522834 - Gas filling device, gas filling system, gas filling method and moving device (2013-09-03),

Title: Eiji Okawachi: Innovator in Hydrogen Technology

Introduction

Eiji Okawachi is a prominent inventor based in Toyota, Japan, known for his significant contributions to hydrogen technology. With a total of 16 patents to his name, Okawachi has been at the forefront of innovations that enhance the efficiency of hydrogen filling systems.

Latest Patents

Among his latest patents are a hydrogen filling method and apparatus designed to optimize the filling process of hydrogen tanks. This technology ensures that hydrogen can be efficiently filled even in tanks with large capacities. The method prohibits hydrogen filling at the nozzle flow when the nozzle flow exceeds the receptacle flow or when the receptacle flow is unknown. Additionally, he has developed a fuel cell system and vehicle that utilizes a transmitter to communicate pressure signals from the hydrogen tank to the filling device, ensuring safe and efficient hydrogen filling.

Career Highlights

Eiji Okawachi has worked with notable companies such as Toyota Motor Corporation and Jtekt Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in hydrogen technology.

Collaborations

Throughout his career, Okawachi has collaborated with esteemed colleagues, including Akira Yamashita and Tsukuo Ishitoya. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Eiji Okawachi's work in hydrogen technology exemplifies the importance of innovation in addressing energy challenges. His patents and career achievements reflect a commitment to advancing sustainable energy solutions.

This text is generated by artificial intelligence and may not be accurate.