Tetsuo Takematsu

This inventor holds 61 USPTO granted patents, primarily in Herbicide Development (CPC class 71 9). Top assignees: Idemitsu Kosan Company, Limited, Meiji Seika Kaisha, Ltd., Central Glass Company, Limited. Active years: 1978-2002.

USPTO Granted Patents = 61

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 8

Forward Citations = 279(Granted Patents)

Forward Citations (Not Self Cited) = 247(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

11 out of 2,283

Idemitsu Kosan Company, Limited

patents

9 out of 382

Meiji Seika Kaisha, Ltd.

patents

4 out of 1,010

Central Glass Company, Limited

patents

4. 3 out of 328

Hodogaya Chemical Co., Ltd.

patents

5. 3 out of 211

Ihara Chemical Industry Co., Ltd.

patents

6. 3 out of 216

Kumiai Chemical Industry Co., Ltd.

patents

7. 3 out of 285

Toyo Soda Manufacturing Co., Ltd.

Kyowa Gas Chemical Industry Company, Ltd.

patents

11. 2 out of 1,008

Mitsui Petrochemical Industries, Ltd.

patents

12. 2 out of 1,379

Mitsui Toatsu Chemicals, Incorporated

patents

13. 2 out of 359

Sanyo Chemical Industries, Ltd.

patents

14. 2 out of 37

The Japan Carlit Co., Ltd.

patents

15. 2 out of 95

Tokuyama Soda Kabushiki Kaisha

patents

16. 2 out of 29

Utsunomiya University

patents

17. 2 out of 7

Yashima Chemical Industrial Co., Ltd.

patents

18. 1 out of 984

Chugai Seiyaku Kabushiki Kaisha

patents

19. 1 out of 1

Idemitsu Company Co., Ltd.

Mitsubishi Chemical Industries Limited

patents

22. 1 out of 2,300

Mitsubishi Gas Chemical Company, Inc.

patents

23. 1 out of 499

Mitsubishi Kasei Corporation

patents

24. 1 out of 546

Mitsubishi Petrochemical Company Limited

patents

25. 1 out of 798

Nippon Kayaku Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1978-2002

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Areas of Expertise:

Herbicidal Compositions

Triazine Derivatives

Phenoxyacetic Acid

Plant Growth Regulators

N-Phenyltetrahydrophthalamic Acid

Synergistic Herbicides

Aromatic Urea Derivatives

Brassinolide Derivatives

Herbicide Composition

Phenylacetanilide Derivatives

Trifluoromethanesulfonanilide

N-Substituted Chloroacetanilides

61 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6337417 - N-phenyltetrahydrophthalamic acid derivatives, methods of producing same, and herbicides containing same as effective components (2002-01-08),

2. 5801122 - N-phenyltetrahydrophthalamic acid derivatives, methods of producing (1998-09-01),

3. 5510317 - N-acyl-N-phenylmaleamic acid derivatives, methods of producing same, and (1996-04-23),

4. 5481022 - N-aryloxyacyl-n-phenyltetrahydrophthalamic acid derivatives, methods of (1996-01-02),

5. 5403815 - Triazine derivative and a herbicide comprising the same as an effective (1995-04-04),

6. 5344810 - Herbicidal compositions and methods of combating weeds (1994-09-06),

7. 5290754 - Triazine derivative and a herbicide comprising the same as an effective (1994-03-01),

8. 5235092 - Phenoxyacetic acid derivatives and plant growth regulating agents (1993-08-10),

9. 5234893 - Synergistic herbicidal compositions comprising (1993-08-10),

10. 5223016 - Herbicidal compositions comprising benzofuryloxyphenylurea or (1993-06-29),

11. 5169425 - Herbicidal compositions comprising (1992-12-08),

12. 4971620 - Sulfonamide and herbicide containing the same as active ingredient (1990-11-20),

13. 4932998 - Triazine derivatives, and herbicides comprising the same as the (1990-06-12),

14. 4929273 - N-benzyl-2-(4-fluoro-3-trifluoromethylphenoxy)butanoic amide and (1990-05-29),

15. 4895587 - Haloacetamide compounds, process for production thereof, and use thereof (1990-01-23),

Title: The Innovative Journey of Tetsuo Takematsu

Introduction:

Tetsuo Takematsu, a visionary inventor hailing from Utsunomiya, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents:

Tetsuo Takematsu's latest patents include a cutting-edge AI-powered robotics system for industrial automation, a revolutionary eco-friendly energy storage solution, and a pioneering medical device for non-invasive diagnostics.

Career Highlights:

With a career spanning over two decades, Tetsuo Takematsu has established himself as a leading figure in the world of innovation. He has worked with renowned tech companies, research institutions, and universities to bring his ideas to life.

Collaborations:

Throughout his career, Tetsuo Takematsu has collaborated with top engineers, scientists, and designers to push the boundaries of technology. His partnerships with leading companies have resulted in the development of groundbreaking products that have revolutionized various industries.

Conclusion:

In conclusion, Tetsuo Takematsu's relentless pursuit of innovation and his passion for creating cutting-edge solutions have solidified his reputation as a trailblazer in the world of technology. His work continues to inspire future generations of inventors and innovators.