Gifu, Japan

Koji Onda

This inventor holds 1 USPTO granted patent. Top assignees: Menicon Co., Ltd., Tomei Sangyo Kabushiki Kaisha. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Onda. Retrieved from https://idiyas.com/inventor/koji-onda

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1993

Loading Chart...
1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Koji Onda

Introduction

Koji Onda is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of contact lens technology. His innovative approach has led to the development of a unique method for marking water-absorptive contact lenses.

Latest Patents

Onda holds a patent for a method titled "Method for marking a water-absorptive contact lens." This invention involves dyeing a dry lens to create a tinted mark. The process includes superimposing a screen with a tinting pattern on the dry lens and applying a dye solution containing a vat dye and an alkaline reducing agent. The final step involves insolubilizing the vat dye to achieve the desired tint.

Career Highlights

Throughout his career, Koji Onda has worked with prominent companies in the optical industry. He has been associated with Menicon Co., Ltd. and Tomei Sangyo Kabushiki Kaisha. His work in these organizations has contributed to advancements in contact lens technology.

Collaborations

Onda has collaborated with notable individuals in his field, including Toshihisa Sakai and Yasuhiro Yokoyama. These partnerships have fostered innovation and development in the optical sector.

Conclusion

Koji Onda's contributions to contact lens technology through his innovative patent demonstrate his expertise and commitment to advancing the field. His work continues to influence the industry and improve the functionality of contact lenses.

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…