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For the Inventor, By the Inventor

Iwakuni, Japan

Toshiaki Harada

This inventor holds 9 USPTO granted patents. Top assignee: Teijin Limited. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Harada. Retrieved from https://idiyas.com/inventor/toshiaki-harada-3cr474uh

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 79(Granted Patents)


Location History:

  • Hachioji, JA (1976)
  • Hino, JA (1978)
  • Iwakuni, JP (1979 - 1987)

Company Filing History:

goldMedal9 out of 1,605 
 
Teijin Limited
 patents

Years Active: 1976-1987

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9 patents (USPTO):Explore Patents
1. 4668782 - Anhydrous crystalline or crystalline hemihydrate monohydrate or (1987-05-26),
2. 4452720 - Fluorescent composition having the ability to change wavelengths of (1984-06-05),
3. 4244859 - Aromatic polyester composition (1981-01-13),
4. 4167506 - Diazaphenalene derivatives and resin containing color compositions (1979-09-11),
5. 4150025 - Novel quinoline derivatives (1979-04-17),
6. 4077960 - Imido-quinoline dyes (1978-03-07),
7. 4067870 - 8-Benzimido substituted quinaphthalone derivatives (1978-01-10),
8. 3966830 - Process for the nitration of halogenated benzene derivatives (1976-06-29),
9. 3936509 - Process for separating dimethyl naphthalenes comprising 2,6-dimethyl (1976-02-03),

Title: Toshiaki Harada: Innovator in Fluorescent Technologies

Introduction

Toshiaki Harada is a distinguished inventor based in Iwakuni, Japan, known for his significant contributions to the field of fluorescent compositions. With a total of nine patents to his name, Harada has established himself as a key figure in the innovation landscape, particularly within the realm of advanced materials.

Latest Patents

Harada's recent inventions include groundbreaking technologies such as anhydrous crystalline or crystalline hemihydrate monohydrate and a fluorescent composition with the capability to change wavelengths. His work in developing a fluorescent composition consisting essentially of innovative materials has garnered attention in both scientific and industrial circles.

Career Highlights

Throughout his career, Toshiaki Harada has played a vital role at Teijin Limited, a leading company in the development of advanced textiles and materials. His inventive spirit and dedication to research have not only expanded the company's patent portfolio but also contributed to advancements in various technological fields.

Collaborations

Harada's innovative journey has been enriched by collaborations with notable coworkers such as Keizo Shimada and Shizuo Nagahama. Together, they have paved the way for new discoveries and innovations, demonstrating the power of teamwork in the pursuit of scientific progress.

Conclusion

In summary, Toshiaki Harada's impressive body of work exemplifies the spirit of innovation. Through his patented inventions and collaborations, he continues to impact the field of fluorescent technologies, solidifying his reputation as a prominent inventor in today’s competitive landscape.

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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