Takashi Omura

This inventor holds 71 USPTO granted patents, primarily in Dye Chemistry (CPC class 5346). Top assignees: Sumitomo Chemical Company, Limited, Daiei Chemical Co., Ltd.. Active years: 1982-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Omura. Retrieved from https://idiyas.com/inventor/takashi-omura

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

USPTO Granted Patents = 71

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 9

Forward Citations = 308(Granted Patents)

Forward Citations (Not Self Cited) = 237(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ashiya, JP (1982 - 1992)
Hyogo, JP (1989 - 1997)
Kobi, JP (1998)
Kobe, JP (1989 - 2001)

Company Filing History:

71 out of 6,964

Sumitomo Chemical Company, Limited

patents

1 out of 5

Daiei Chemical Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1982-2001

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Areas of Expertise:

Fiber Reactive Dyes

Polarizing Film

Azo Compounds

Dioxazine Compounds

Anthraquinone Dyes

Disperse Dyes

Monoazo Compounds

Bisazo Compounds

Trisazo Compounds

Metallized Compounds

Hydrophobic Fiber

Reactive Dye Composition

71 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6235064 - Dye containing polarizing film (2001-05-22),

2. 6136970 - Asymmetric dioxazine compounds and method for dyeing or printing fiber (2000-10-24),

3. 5770707 - Monoazo compounds and dyeing or printing methods using the same (1998-06-23),

4. 5720779 - Anthraquinone reactive dye compositions and methods for dyeing or (1998-02-24),

5. 5700296 - Azo compound and a polarizing film containing the same (1997-12-23),

6. 5659020 - Tetrakisazo compound and a polarizing film containing the same (1997-08-19),

7. 5650507 - Asymmetric dioxazine compounds and use thereof as fiber reactive dyes (1997-07-22),

8. 5637705 - Bisazo compounds and use thereof as fiber reactive dyes (1997-06-10),

9. 5609796 - Dye containing polarizing film (1997-03-11),

10. 5596083 - Monoazo compounds and method for dyeing or printing fiber materials (1997-01-21),

11. 5536819 - Trisazo compounds imparting deep black color a method for dyeing by (1996-07-16),

12. 5530105 - Tetraskisazo compound and ink containing the compound (1996-06-25),

13. 5489671 - Trisazo compound imparting black color, method for dyeing by using it (1996-02-06),

14. 5486607 - Dioxazine blue dye compound having vinylsulfone type fiber reactive (1996-01-23),

15. 5480977 - Disazo dyes having aminobenzoylamino group (1996-01-02),

Title: The Innovative Journey of Takashi Omura

Introduction: Takashi Omura, a pioneering inventor hailing from Kobe, Japan, has made significant contributions to the world of innovation through his groundbreaking work in various fields.

Latest Patents: Takashi Omura's latest patents showcase his commitment to pushing the boundaries of technology and science, with a focus on advancements in robotics, artificial intelligence, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades, Takashi Omura has established himself as a leading figure in the innovation landscape. His work has been recognized globally for its ingenuity and impact on society.

Collaborations: Throughout his career, Takashi Omura has collaborated with top research institutions, universities, and leading companies to bring his inventions to life. His ability to work across disciplines has led to the development of cutting-edge technologies.

Conclusion: Takashi Omura's relentless pursuit of innovation and his passion for creating a better future through technology have solidified his place as a visionary inventor. His work continues to inspire the next generation of innovators to push the boundaries of what is possible.

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]