Otsu, Japan

Ken Choju

This inventor holds 6 USPTO granted patents and 3 published patent applications and 4 EPO patents. Top assignee: Nippon Electric Glass Co., Ltd.. Active years: 2012-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken Choju. Retrieved from https://idiyas.com/inventor/ken-choju

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Shiga, JP (2018 - 2019)
  • Otsu, JP (2012 - 2020)

Company Filing History:


Years Active: 2012-2020

Loading Chart...
Loading Chart...
6 patents (USPTO):Explore Patents

Title: Ken Choju: Innovator in Pharmaceutical Glass Technology

Introduction

Ken Choju is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of pharmaceutical glass technology, holding a total of 6 patents. His work focuses on developing advanced glass materials that meet the stringent requirements of the pharmaceutical industry.

Latest Patents

Among his latest innovations, Ken has developed a borosilicate glass specifically designed for pharmaceutical containers. This glass composition includes essential components such as SiO, AlO, BO, and RO, where R represents one or more kinds selected from Li, Na, and K. The borosilicate glass features a CaO content that is equal to or greater than 0 and smaller than 0.5 mol %. Additionally, the molar ratio of (NaO+KO+LiO−AlO)/BO is maintained between 0.315 to 0.350, ensuring optimal performance. Another notable patent involves a glass for pharmaceutical containers that is resistant to delamination and boasts excellent processability. This glass comprises 69 to 81% of SiO, 4 to 12% of AlO, and various other components, achieving a hydrolytic resistance of Class 1 as per the European pharmacopoeia.

Career Highlights

Ken Choju has established himself as a key figure in the glass manufacturing industry, particularly through his work at Nippon Electric Glass Co., Ltd. His innovative approaches have led to advancements that enhance the safety and efficacy of pharmaceutical packaging.

Collaborations

Throughout his career, Ken has collaborated with talented individuals such as Kazuyuki Yamamoto and Miki Kimura. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in glass manufacturing.

Conclusion

Ken Choju's contributions to pharmaceutical glass technology exemplify the importance of innovation in ensuring the safety and effectiveness of medical products. His patents reflect a commitment to excellence and a forward-thinking approach in the industry.

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]
Loading…