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For the Inventor, By the Inventor

Kobe, Japan

Takamasa Yamaguchi

This inventor holds 14 USPTO granted patents. Top assignee: Takeda Chemical Industries, Inc.. Active years: 1989-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takamasa Yamaguchi. Retrieved from https://idiyas.com/inventor/takamasa-yamaguchi

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 105(Granted Patents)


Location History:

  • Suita, JP (1989 - 1995)
  • Kobe, JP (1989 - 1999)

Company Filing History:

goldMedal14 out of 1,858 
 
Takeda Chemical Industries, Inc.
 patents

Years Active: 1989-1999

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14 patents (USPTO):Explore Patents
1. 5932457 - Process for producing D-pantoic acid and D-pantothenic acid or salts (1999-08-03),
2. 5840881 - Composition containing a water-insoluble or slightly water-soluble (1998-11-24),
3. 5747306 - Process for producing 2-keto-L-gulonic acid using electrodialysis (1998-05-05),
4. 5705373 - Production of 2-keto-L-gulonic acid using pseudogluconobacter (1998-01-06),
5. 5635611 - Production of saccharide carboxylic acids (1997-06-03),
6. 5635610 - Production of saccharide carboxylic acids (1997-06-03),
7. 5629411 - Saccharide carboxylic acids of glycosides (1997-05-13),
8. 5518906 - Production of d-pantoic acid and d-pantothenic acid (1996-05-21),
9. 5474924 - Method for producing 2-keto-L-gulonic acid (1995-12-12),
10. 5434061 - Production of saccharide carboxylic acids (1995-07-18),
11. 5015579 - Production of (-)trans-2,3-epoxysuccinic acid by fermentation (1991-05-14),
12. 4904588 - Method for producing L-sorbose (1990-02-27),
13. 4877735 - Process for producing 2-keto-L-gulonic acid (1989-10-31),
14. 4876195 - Process for producing 2-keto-D-glucaric acid (1989-10-24),

Title: Achievements of Inventor Takamasa Yamaguchi in the Field of Chemical Innovations

Introduction: Takamasa Yamaguchi, an esteemed inventor based in Kobe, Japan, has made significant contributions to the chemical industry. With a total of 14 patents to his name, Yamaguchi's work focuses on enhancing the water-solubility of various compounds, which has implications in pharmaceuticals and related fields.

Latest Patents: Among his latest patents, Yamaguchi has developed a process for producing D-pantoic acid and D-pantothenic acid or their salts. Additionally, he has created a groundbreaking composition that includes a water-insoluble or slightly water-soluble compound combined with a branched cyclodextrin-carboxylic acid. This innovative approach significantly improves the water-solubility of the compound, providing a method of enhancing its solubility.

Career Highlights: Yamaguchi is currently employed at Takeda Chemical Industries, Inc., where he applies his exceptional skills in research and development. His extensive background in chemistry and innovative mindset have positioned him as a vital contributor to the advancement of chemical solutions in his company.

Collaborations: Throughout his career, Yamaguchi has collaborated with notable colleagues such as Ikuo Nogami and Masahide Oka. These partnerships have resulted in the evolution of several impactful inventions that continue to shape the industry.

Conclusion: Takamasa Yamaguchi stands out as a prominent inventor in the realm of chemical innovations. His dedication to advancing water-solubility solutions and his collaboration with esteemed peers showcases his commitment to enhancing the field. As his work continues to evolve, Yamaguchi's contributions will undoubtedly leave a lasting impact on 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]
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