Hiroshima, Japan

Seiji Kawasaki

This inventor holds 44 USPTO granted patents and 1 published patent application and 13 EPO patents, primarily in Vehicle Seating Technology. Top assignees: Delta Tooling Co., Ltd., Kabushiki Kaisha Toyota Chuo Kenkyusho, Delta Kogyo Co., Ltd.. Active years: 1999-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Kawasaki. Retrieved from https://idiyas.com/inventor/seiji-kawasaki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 44 

% Patents Active = 65.9

 

Average Co-Inventor Count = 3.4

ph-index = 14

Forward Citations = 545(Granted Patents)


Location History:

  • Hiroshima-Ken, JP (2010)
  • Hiroshima, JP (1999 - 2017)
  • Higashihiroshima, JP (2000 - 2021)

Company Filing History:


Years Active: 1999-2021

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Areas of Expertise:
Vehicle Seat
Cushion Structure
Headrest
Manufacturing Method
Elastic Member
Slide Adjuster
Vibration Mechanism
Integrated Foam
Cushion Member
Acoustic Device
Base Net
Lifter Mechanism
44 patents (USPTO):Explore Patents

Title: Innovations of Seiji Kawasaki: Pioneering Seat Cushion Technology

Introduction

Seiji Kawasaki, an accomplished inventor based in Hiroshima, Japan, holds an impressive portfolio of 44 patents. His groundbreaking work primarily focuses on advancing vehicle seat technology, highlighting his ingenuity in improving comfort and functionality in everyday transportation.

Latest Patents

Kawasaki's latest innovations include the development of a seat cushion designed specifically for vehicle seats. This seat cushion features a base layer that efficiently biases two support parts in directions that bring them closer together. The cushion is further enhanced with elastic members that deform upward and downward, allowing for a configuration that exhibits a high spring characteristic. Moreover, the seat cushion is designed to be larger than the seat back, creating a dynamic range of connection points that enhance comfort and support under varying load conditions.

Another significant patent is related to a surface fastener, which is molded from synthetic resin. This fastener has a unique thickness between 0.1 to 0.9 mm with engagement elements that have a protrusion height ranging from 0.2 to 0.8 mm. The arrangement of these engagement elements ensures improved cushioning when used in conjunction with a covering member, significantly enhancing the overall performance of the seat structure.

Career Highlights

Throughout his career, Seiji Kawasaki made significant contributions while working at notable companies such as Delta Tooling Co., Ltd. and Toyota Central R&D Labs, Inc. His expertise in engineering and design has consistently driven innovations that benefit the automotive industry, reinforcing the importance of thoughtful design in enhancing user experience.

Collaborations

Kawasaki has collaborated with talented coworkers, including Etsunori Fujita and Yumi Ogura. These partnerships have undoubtedly contributed to the successful development of his innovative products and advancements in vehicle seat technology.

Conclusion

Seiji Kawasaki's contributions to the field of automotive technology are noteworthy, with his 44 patents reflecting his commitment to innovation and improvement. His latest inventions, particularly in the realm of vehicle seat dynamics, showcase his ability to merge engineering principles with user comfort, making a significant impact in the automotive sector.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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