Company Filing History:

15 out of 1,432

Ube Industries, Inc.

patents

2 out of 18

Soda Aromatic Co., Ltd.

patents

1 out of 1

Soda Aromaic Co., Ltd.

patent

where one patent can have more than one assignee

Years Active: 1977-2003

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6593488 - 4-fluoro-3-oxocarboxylic esters and process for producing the same (2003-07-15),

2. 6340757 - 6-(1-fluoroalkyl)-4-pyrimidones and processes for producing the same (2002-01-22),

3. 5380912 - .omega.-hydroxy-(.omega.-3)-ketonitrile (1995-01-10),

4. 5350868 - .omega.-hydroxy-(.omega.-3)-ketonitrile and method for preparing (1994-09-27),

5. 5099036 - .alpha.-(.omega.-cyanoalkanoyl)-.gamma.-butyrolactone and method for (1992-03-24),

6. 5037982 - Method of purifying 2-methyl-4-amino-5-aminomethylpyrimidine (1991-08-06),

7. 5023351 - .alpha.-(.omega.-cyanoalkanoyl-.gamma.-butyrolactone and method for (1991-06-11),

8. 4892948 - 2-methyl-4-amino-5-aminomethylpyrimidine carbonate, process for (1990-01-09),

9. 4675412 - Process for preparing 5-mercapto-1,2,3-thiadiazole salts (1987-06-23),

10. 4539403 - Process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrimidine (1985-09-03),

11. 4536577 - Process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine (1985-08-20),

12. 4492792 - Process for preparing 4-amino-5-dialkoxy-methylpyrimidine derivatives (1985-01-08),

13. 4421925 - 4-Alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the same (1983-12-20),

14. 4378324 - Process for preparing aromatic polyimide semipermeable membranes (1983-03-29),

15. 4025566 - Process for preparing monoalkyl ethers of dihydric phenols (1977-05-24),

Title: Hiroshi Yoshida: Innovator in Chemical Engineering

Introduction

Hiroshi Yoshida is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of chemical engineering, holding a total of 15 patents. His work has had a lasting impact on various industries, particularly in the development of innovative chemical processes.

Latest Patents

Among his latest patents are the inventions of 4-fluoro-3-oxocarboxylic esters and the process for producing the same. Additionally, he has developed 6-(1-fluoroalkyl)-4-pyrimidones and processes for producing these compounds. These inventions showcase his expertise and commitment to advancing chemical technology.

Career Highlights

Hiroshi has worked with notable companies such as Ube Industries, Inc. and Soda Aromatic Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the chemical sector.

Collaborations

Throughout his career, Hiroshi has collaborated with esteemed colleagues, including Keigo Nishihira and Noboru Kakeya. These partnerships have fostered innovation and have been instrumental in the success of various projects.

Conclusion

Hiroshi Yoshida is a distinguished inventor whose work in chemical engineering continues to influence the industry. His numerous patents and collaborations highlight his dedication to innovation and excellence in his field.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.