Yoshiyuki Kojima

This inventor holds 15 USPTO granted patents, primarily in Agricultural Chemistry. Top assignees: Ihara Chemical Industry Co., Ltd., Kumiai Chemical Industry Co., Ltd.. Active years: 1988-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Kojima. Retrieved from https://idiyas.com/inventor/yoshiyuki-kojima

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

Calculating rank

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 5.9

ph-index = 7

Forward Citations = 224(Granted Patents)

Location History:

Shizuoka, JP (1989 - 1991)
Kakegawa, JP (1988 - 2000)

Company Filing History:

15 out of 211

Ihara Chemical Industry Co., Ltd.

patents

15 out of 216

Kumiai Chemical Industry Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1988-2000

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Areas of Expertise:

Pyrimidinyloxyalkanoic Amide

Phenylalkane Amide

Amino-Acid Amide Derivatives

Fungicides

Pyrimidine Derivatives

Thiadiazolo Derivatives

Agricultural Chemistry

Horticultural Applications

Triphenyl-Pyridinone

Fungicidal Uses

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6090815 - Pyrimidinyloxyalkanoic amide derivatives and fungicides for agricultural (2000-07-18),

2. 6075055 - Phenylalkane amide derivatives and agricultural or horticultural (2000-06-13),

3. 5811424 - Amino-acid amide derivatives, method for producing the same, and (1998-09-22),

4. 5789428 - Amino-acid amide derivatives, processes for preparing the same, (1998-08-04),

5. 5723469 - Amino-acid amide derivatives, agricultural or horticultural fungicides, (1998-03-03),

6. 5574064 - Amino-acid amide derivatives, agricultural or horticultural fungicides, (1996-11-12),

7. 4992438 - Pyrimidine derivatives, process for preparing the same and agricultural (1991-02-12),

8. 4988704 - Pyrimidine derivative, process for preparing same and argicultural or (1991-01-29),

9. 4985432 - 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and (1991-01-15),

10. 4971971 - 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and functional (1990-11-20),

11. 4871751 - 1,2,6-Triphenyl-4(1H)-pyridinone derivatives, and their use as fungicides (1989-10-03),

12. 4866064 - 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and fungicidal (1989-09-12),

13. 4814338 - Pyrimidine derivative, process for preparing same and agricultural or (1989-03-21),

14. 4757081 - 1,2,6-triphenyl-4(1H)-pyridinone derivatives, and uses as fungicidal (1988-07-12),

15. 4742063 - Agricultural-horticultural fungicide employing 5H-1,3,4-thiadiazolo[3,2-a]p (1988-05-03),

Title: The Innovative Contributions of Yoshiyuki Kojima

Introduction

Yoshiyuki Kojima is a prominent inventor based in Kakegawa, Japan. He has made significant contributions to the field of agricultural chemistry, holding a total of 15 patents. His work focuses on developing innovative solutions for agricultural challenges.

Latest Patents

Among his latest patents are pyrimidinyloxyalkanoic amide derivatives and fungicides for agricultural use. He has also developed phenylalkane amide derivatives that are applicable in both agricultural and horticultural settings. These inventions demonstrate his commitment to enhancing agricultural productivity and sustainability.

Career Highlights

Kojima has worked with notable companies such as Kumiai Chemical Industry Co., Ltd. and Ihara Chemical Industry Co., Ltd. His experience in these organizations has allowed him to refine his expertise and contribute to significant advancements in agricultural chemistry.

Collaborations

Throughout his career, Kojima has collaborated with esteemed colleagues, including Nobumitsu Sawai and Norihisa Yonekura. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Yoshiyuki Kojima's contributions to agricultural chemistry through his patents and collaborations highlight his role as a key innovator in the field. His work continues to impact agricultural practices positively, paving the way for future advancements.

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]