logo

For the Inventor, By the Inventor

Hino, Japan

Toru Takeshita

This inventor holds 8 USPTO granted patents. Top assignee: Teijin Limited. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Takeshita. Retrieved from https://idiyas.com/inventor/toru-takeshita

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 68(Granted Patents)


Location History:

  • Hino, JA (1976 - 1977)
  • Hino, JP (1980 - 1983)
  • Tokyo, JP (1984)

Company Filing History:

goldMedal8 out of 1,605 
 
Teijin Limited
 patents

Years Active: 1976-1984

Loading Chart...
8 patents (USPTO):Explore Patents
1. 4456553 - Vitamin D.sub.3 derivatives, process for preparation thereof, and (1984-06-26),
2. 4402975 - Aminocarboxylic acids, amino alcohols, or the derivatives thereof, (1983-09-06),
3. 4388243 - Process for the preparation of active-type vitamin D.sub.3 compounds (1983-06-14),
4. 4298537 - Process for producing steroid compounds having an oxo group in the side (1981-11-03),
5. 4292249 - 25-Hydroxy-24-oxocholestane derivatives and preparation thereof (1981-09-29),
6. 4199577 - Novel 1.alpha.-hydroxy-24-oxovitamin D.sub.3, its preparing process and (1980-04-22),
7. 4022891 - Novel 1.alpha.,24-dihydroxycholecalciferol compositions, novel (1977-05-10),
8. 3936478 - Process for the preparation of desmosterol derivatives (1976-02-03),

Title: The Innovative Contributions of Toru Takeshita

Introduction

Toru Takeshita is a prominent inventor based in Hino, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of vitamin D derivatives. With a total of 8 patents to his name, Takeshita's work has had a considerable impact on medical science.

Latest Patents

One of his latest patents focuses on vitamin D.sub.3 derivatives and the processes for their preparation. This invention relates to novel vitamin D.sub.3 derivatives that possess a carboxyl group or its ester group at the 22-position. The patent also discusses antigens that comprise these vitamin D.sub.3 derivatives and an immunogenic carrier material, which can be utilized for the preparation of antibodies for enzyme immunoassay or radioimmunoassay. Additionally, the invention allows for the satisfactory determination of activated vitamin D.sub.3 compounds such as 25-hydroxy vitamin D.sub.3 and 24, 25-dihydroxy vitamin D.sub.3.

Career Highlights

Toru Takeshita is associated with Teijin Limited, a company known for its innovative approaches in various fields, including pharmaceuticals. His work at Teijin has allowed him to explore and develop new compounds that have potential therapeutic applications.

Collaborations

Throughout his career, Takeshita has collaborated with notable colleagues such as Osamu Nishikawa and Hideki Tsuruta. These collaborations have contributed to the advancement of his research and the successful development of his patented inventions.

Conclusion

Toru Takeshita's innovative work in the field of vitamin D derivatives showcases his dedication to advancing medical science. His contributions through patents and collaborations highlight the importance of research and development in creating effective pharmaceutical solutions.

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…