Tokuyama, Japan

Seiji Okazaki

This inventor holds 2 USPTO granted patents. Top assignees: Tokuyama Corporation, Tokuyama Soda Kabushiki Kaisha. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Okazaki. Retrieved from https://idiyas.com/inventor/seiji-okazaki-a67yx7zu

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 = 3.7

ph-index = 2

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1993-1995

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

Title: Seiji Okazaki: Innovator in Photochromic Compounds

Introduction

Seiji Okazaki is a notable inventor based in Tokuyama, Japan. He has made significant contributions to the field of photochromic compounds, holding a total of 2 patents. His work focuses on developing innovative materials that respond to light, showcasing his expertise in chemistry and material science.

Latest Patents

Okazaki's latest patents include groundbreaking inventions in the realm of spirooxazine compounds. The first patent, titled "Spirooxazine Compounds," discloses a novel spirooxazine compound that exhibits excellent durability. This compound changes into a colored form upon exposure to ultraviolet light, such as sunlight or mercury lamp light, with the change being reversible. The second patent, "Photochromic Compound, Composition and Use Thereof," describes a spiroxazine compound characterized by its remarkable photochromic properties, even at elevated temperatures. This compound is represented by a specific chemical formula, where various organic groups are defined, showcasing its versatility and potential applications.

Career Highlights

Throughout his career, Seiji Okazaki has worked with prominent companies, including Tokuyama Soda Kabushiki Kaisha and Tokuyama Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in photochromic technology.

Collaborations

Okazaki has collaborated with notable colleagues, including Takashi Tanaka and Shinsuke Tanaka. These partnerships have fostered a creative environment that has led to innovative solutions in their field.

Conclusion

Seiji Okazaki's contributions to the development of photochromic compounds highlight his innovative spirit and dedication to advancing material science. His patents reflect a commitment to creating durable and versatile compounds that respond to light, paving the way for future advancements in this exciting field.

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…