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For the Inventor, By the Inventor

Utsunomiya, Japan

Keiichi Hashimoto

USPTO Granted Patents = 16

 

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Tochigi-ken, JP (2005)
  • Utsunomiya, JP (2005 - 2020)
  • Kanuma, JP (2009 - 2020)
  • Nikko, JP (2021)
  • Tochigi, JP (2020 - 2022)

Company Filing History:

goldMedal16 out of 230 
 
Jsp Corporation
 patents

Years Active: 2005-2024

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16 patents (USPTO):Explore Patents
1. 12152121 - Vehicle seat core material (2024-11-26),
2. 11224292 - Seat core material (2022-01-18),
3. 11052800 - Seat core material (2021-07-06),
4. 10893750 - Method for producing seat core material, and seat core material (2021-01-19),
5. 10807507 - Seat core material (2020-10-20),
6. 10717370 - Vehicle seat core member (2020-07-21),
7. 10631650 - Core material of vehicular seat cushion (2020-04-28),
8. 10391911 - Composite seat core material and vehicular seat element using the composite seat core material (2019-08-27),
9. 10195966 - Seat core member, seat portion, and seat (2019-02-05),
10. 9902098 - Method for manufacturing vehicle seat core member and vehicle seat core member (2018-02-27),
11. 7560498 - Process of producing foamed molding from expanded polypropylene resin beads and process of producing expanded polypropylene resin beads (2009-07-14),
12. 7531116 - Process of producing foamed molding from expanded polypropylene resin beads (2009-05-12),
13. 7259189 - Expanded polypropylene resin beads and process for the production thereof (2007-08-21),
14. 7182896 - Composite foamed polypropylene resin molding and method of producing same (2007-02-27),
15. 6956067 - Expanded polypropylene resin bead and process of producing same (2005-10-18),

Title: Innovations by Keiichi Hashimoto: Pioneering Seat Core Materials

Introduction

Keiichi Hashimoto, an innovative inventor based in Utsunomiya, Japan, has made significant contributions to the field of vehicle seat materials. With a total of 16 patents to his name, Hashimoto has dedicated his career to enhancing the functionality and performance of automotive seating systems.

Latest Patents

Among his latest innovations, Hashimoto has developed a vehicle seat core material that incorporates thermoplastic resin expanded beads. This molded article features a substantially rectangular shape with distinct front and rear sides. With an average density ranging from 20 kg/m³ to 50 kg/m³, the material includes a rear thin portion that has a thickness between 10 mm and 40 mm, contributing to reduced deformation and enhanced dimensional accuracy. The design includes a ratio of density that ensures a fusion rate of 70% or more, resulting in a seat core material that combines strength with a sense of unity.

Career Highlights

Hashimoto's tenure at JSP Corporation has been marked by his innovative approach to seat core materials. His work not only improves the performance of vehicle seating but also aligns with modern demands for lightweight yet strong materials in the automotive industry. His patents reflect a commitment to advancing engineering standards in user comfort and safety.

Collaborations

Throughout his career, Keiichi Hashimoto has collaborated with notable coworkers such as Atsuo Takayama and Hidehiro Sasaki. Together, they have shared insights and expertise, further pushing the boundaries of what is achievable in automotive materials.

Conclusion

Keiichi Hashimoto continues to be a pivotal figure in the innovation of vehicle seat technologies, with his patents playing a crucial role in shaping the future of automotive design. His contributions not only enhance the functionality and comfort of vehicle interiors but also showcase the importance of research and development in the automotive sector.

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