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For the Inventor, By the Inventor

Tokyo, Japan

Kenya Tachibana

This inventor holds 4 USPTO granted patents and 4 published patent applications. Top assignees: Sumitomo Bakelite Company Limited, Research Institute of Innovative Technology for the Earth, Sumitomo Bakelight Co., Ltd.. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenya Tachibana. Retrieved from https://idiyas.com/inventor/kenya-tachibana

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 = 50.0

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 15(Granted Patents)


Location History:

  • Utsunomiya, JP (2011)
  • Tokyo, JP (2011 - 2013)

Company Filing History:

goldMedal3 out of 615 
 
Sumitomo Bakelite Company Limited
 patents
silverMedal1 out of 45 
 
Research Institute of Innovative Technology for the Earth
 patents
bronzeMedal1 out of 1 
 
Sumitomo Bakelight Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 2011-2025

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4 patents (USPTO):Explore Patents
1. 12295394 - Water-soluble additive composition (2025-05-13),
2. 8592994 - Semiconductor package, core layer material, buildup layer material, and sealing resin composition (2013-11-26),
3. 8008767 - Semiconductor device (2011-08-30),
4. 7893542 - Connecting structure for flip-chip semiconductor package, build-up layer material, sealing resin composition, and circuit board (2011-02-22),

Title: Kenya Tachibana: Innovator in Water-Soluble Additives and Semiconductor Technology

Introduction

Kenya Tachibana is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the fields of water-soluble additives and semiconductor technology. With a total of 4 patents to her name, Tachibana's work reflects her innovative spirit and dedication to advancing technology.

Latest Patents

One of her latest patents is a water-soluble additive composition. This composition includes a cyclic carboxylic acid and satisfies specific conditions related to its components and inorganic ion content. Another notable patent involves a flip-chip semiconductor package, which features a circuit board with a core layer and at least one buildup layer. This invention aims to enhance reliability by preventing cracks and inhibiting delamination in semiconductor devices.

Career Highlights

Kenya Tachibana has worked with reputable companies such as Sumitomo Bakelite Company Limited and Sumitomo Bakelight Co., Ltd. Her experience in these organizations has allowed her to develop and refine her innovative ideas in the field of materials science and semiconductor technology.

Collaborations

Throughout her career, Tachibana has collaborated with talented individuals, including Masahiro Wada and Takuya Hatao. These partnerships have contributed to her success and the advancement of her inventions.

Conclusion

Kenya Tachibana is a remarkable inventor whose work in water-soluble additives and semiconductor technology has made a significant impact. Her innovative patents and collaborations highlight her contributions to the field and her commitment to advancing technology.

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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