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For the Inventor, By the Inventor

Kanagawa, Japan

Tetsuro Yamasaki

This inventor holds 20 USPTO granted patents, primarily in Pharmaceutical Chemistry. Top assignees: Takasago International Corporation, Bristol-Myers Company, Bristol-Myers Squibb Compnay. Active years: 1979-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuro Yamasaki. Retrieved from https://idiyas.com/inventor/tetsuro-yamasaki

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

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 6

Forward Citations = 91(Granted Patents)


Location History:

  • Ichikawa, JP (1979 - 1981)
  • Yokahama, JP (1990)
  • Kohoku, JP (1995)
  • Yokohama, JP (1995 - 1998)
  • Kanagawa, JP (1993 - 2002)
  • Hiratsuka, JP (1996 - 2002)
  • Hiratsuki, JP (2002)

Company Filing History:

goldMedal8 out of 511 
 
Takasago International Corporation
 patents
silverMedal7 out of 637 
 
Bristol-Myers Company
 patents
bronzeMedal4 out of 3,742 
 
Bristol-Myers Squibb Compnay
 patents
4. 1 out of 2 
 
Takasago International Coporation
 patents

Years Active: 1979-2002

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Areas of Expertise:
Fragrance Compositions
Bronchodilators
Antiviral Antibiotics
Purine Derivatives
Chiral Compounds
Optically Active Derivatives
Keratin Fiber Strengthening
Melanin-Formation Inhibitors
Trimethylcyclohexane Derivatives
Transition Metal Complex
Diaminohexanone Derivative
20 patents (USPTO):Explore Patents
1. 6489273 - Fragrance compositions containing 2-cyclohexyl-1,1-dimethyl ethanol esters (2002-12-03),
2. 6440400 - Trimethylcylohexane derivatives and melanin-formation inhibitors and perfumeholding agents with the use of the same (2002-08-27),
3. 6379659 - Keratin fiber strengthening agent and method for strengthening keratin fiber (2002-04-30),
4. 6084138 - (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1-ol, (2000-07-04),
5. 5994291 - (E)-(R)-2-alkyl-4-(2,2,3,-Trimethylcyclopent-3-en-1-yl)-2-buten-1-ol, (1999-11-30),
6. 5837828 - Pradimicin derivatives (1998-11-17),
7. 5808162 - Chiral unsymmetric diphosphine compound and transition metal complex (1998-09-15),
8. 5631397 - Process for producing optically active diaminohexanone derivative (1997-05-20),
9. 5581007 - Process for preparing optically active allophenylnorstatin derivatives (1996-12-03),
10. 5523458 - Process for producing optically active diaminohexanone derivative (1996-06-04),
11. 5466450 - Antiviral antibiotic BU-4224V (1995-11-14),
12. 5410029 - Pradimicin derivatives (1995-04-25),
13. 5256646 - Antiviral antibiotic BU-4224V (1993-10-26),
14. 4912204 - Fluoro-substituted epipodophyllotoxin glucosides (1990-03-27),
15. 4278675 - Bronchodilating process (1981-07-14),

Title: Tetsuro Yamasaki - Innovator in Fragrance Technologies

Introduction

Tetsuro Yamasaki, based in Kanagawa, Japan, is a prolific inventor known for his contributions to the field of fragrance technology. With an impressive portfolio of 20 patents, Yamasaki has made significant advancements in the creation and formulation of innovative fragrance compositions.

Latest Patents

Among his latest patents are notable inventions pertaining to fragrance compositions that utilize 2-cyclohexyl-1,1-dimethyl ethanol esters, along with trimethylcyclohexane derivatives. Additionally, he has developed melanin-formation inhibitors and perfume-holding agents, enhancing the longevity and effectiveness of fragrances in various applications.

Career Highlights

Tetsuro Yamasaki has had a distinguished career working with prominent companies in the fragrance industry. His tenure at Takasago International Corporation and Bristol-Myers Company has not only elevated his expertise but has also allowed him to drive innovation within these organizations. Through his efforts, he has contributed significantly to the development of new products and solutions within the market.

Collaborations

Throughout his career, Yamasaki has collaborated with talented individuals such as Takayuki Naito and Susumu Nakagawa. These partnerships have facilitated a dynamic exchange of ideas and creativity, leading to the successful development of cutting-edge fragrance technologies.

Conclusion

Tetsuro Yamasaki's remarkable achievements as an inventor and his unwavering dedication to innovation in fragrance technology have made him a noteworthy figure in his field. His extensive number of patents reflects his deep understanding and commitment to advancing the science of fragrances, solidifying his legacy as an influential innovator.

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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