Himeji, Japan

Shizuka Hachiken

This inventor holds 4 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Sumitomo Seika Chemicals Co., Ltd., Lintec Corporation, Tokyo University of Agriculture and Technology. Active years: 2016-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuka Hachiken. Retrieved from https://idiyas.com/inventor/shizuka-hachiken

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 3.3

ph-index = 1


Location History:

  • Hyogo, JP (2019)
  • Himeji, JP (2016 - 2020)

Company Filing History:


Years Active: 2016-2020

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4 patents (USPTO):Explore Patents

Title: Shizuka Hachiken: Innovator in Polymer Chemistry

Introduction

Shizuka Hachiken is a prominent inventor based in Himeji, Japan. She has made significant contributions to the field of polymer chemistry, particularly in the development of innovative materials. With a total of four patents to her name, Hachiken's work has garnered attention for its practical applications and advancements in technology.

Latest Patents

Hachiken's latest patents include a thermally decomposable binder that achieves reduced residual carbon after sintering. This invention allows for a dewaxing treatment at relatively low temperatures in a non-oxidative atmosphere. Specifically, the aliphatic polycarbonate developed by Hachiken features a structure obtained by neutralizing a Brønsted acid with an organic onium salt in a side chain. Another notable patent is for a pressure-sensitive adhesive sheet, which comprises a pressure-sensitive adhesive layer formed from a composition that includes an aliphatic polycarbonate. This innovative adhesive can reduce its adhesive strength at desired timings, facilitating the easy release of adherends.

Career Highlights

Throughout her career, Shizuka Hachiken has worked with esteemed organizations such as Sumitomo Seika Chemicals Co., Ltd. and Tokyo University of Agriculture and Technology. Her experience in these institutions has allowed her to refine her expertise in polymer chemistry and contribute to various research projects.

Collaborations

Hachiken has collaborated with notable colleagues, including Kiyoshi Nishioka and Makoto Kato. These partnerships have further enhanced her research and development efforts in the field of innovative materials.

Conclusion

Shizuka Hachiken's contributions to polymer chemistry through her patents and collaborations highlight her role as a leading inventor in her field. Her innovative approaches continue to influence advancements in material science.

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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