Masato Arahira

This inventor holds 19 USPTO granted patents, primarily in Pyrimidine Derivatives. Top assignees: Kureha Kagaku Kogyo K.k., Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1987-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Arahira. Retrieved from https://idiyas.com/inventor/masato-arahira

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

Calculating rank

USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 4

Forward Citations = 45(Granted Patents)

Company Filing History:

12 out of 137

Kureha Kagaku Kogyo K.k.

patents

7 out of 776

Kureha Kagaku Kogyo Kabushiki Kaisha

patents

Years Active: 1987-1998

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Areas of Expertise:

Pyrimidine Derivatives

Herbicidal Compositions

Biocidal Formulations

Azole Derivatives

Preparation Processes

Amino Derivatives

Thienylmethyloxypyridine

Industrial Materials

Mycocide

Nitrogen-Containing Rings

Hydrazino Compounds

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5726128 - Benzyloxypyrimidine derivative, processes for producing the same and (1998-03-10),

2. 5723412 - 2-benzyloxy-4-phenoxypyrimidine derivative, processes for producing the (1998-03-03),

3. 5691277 - 2-(unsubstituted or substituted) (benzyloxy or (1997-11-25),

4. 5683964 - N-(substituted amino)imide derivatives, preparation process thereof, and (1997-11-04),

5. 5624942 - 2-phenoxy-6-thienylmethyloxypyridine derivative and herbicidal (1997-04-29),

6. 5612287 - N-(substituted amino) pyrrole derivatives preparation process thereof, (1997-03-18),

7. 5604178 - N-(substituted amino)pyrrole derivatives, and herbicidal compositions (1997-02-18),

8. 5599770 - Herbicidal composition containing 2-benzyloxypyrimidine derivatives, (1997-02-04),

9. 5504096 - Biocidal compositions for industrial materials (1996-04-02),

10. 5362885 - N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide (1994-11-08),

11. 5292764 - Azole derivatives for protecting industrial materials from bacteria (1994-03-08),

12. 5242894 - N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide (1993-09-07),

13. 5198566 - N-substituted-3-(substituted hydrazino)-benzenesulfonamides (1993-03-30),

14. 5162356 - Azole mycocide and method of treating mycosis (1992-11-10),

15. 5129942 - N-substituted-3-( (2,3-dimethylmaleimido)amino)-benzenesulfonamide (1992-07-14),

Title: The Innovative Journey of Masato Arahira

Introduction: Masato Arahira, an accomplished inventor based in Iwaki, Japan, has made significant contributions to the field of chemistry with his outstanding body of work. With a total of 19 patents, Arahira has been influential in developing innovative compounds and processes that are instrumental in various applications.

Latest Patents: Among his recent patents, two notable inventions include a Benzyloxypyrimidine derivative, along with the process for producing it. This compound is represented by a specific formula where R¹ can be various organic groups. Additionally, he has developed a 2-benzyloxy-4-phenoxypyrimidine derivative and its corresponding production process, showcasing his dedication to advancing chemical innovation.

Career Highlights: Masato Arahira's professional journey includes significant tenures at Kureha Kagaku Kogyo K.K. and Kureha Kagaku Kogyo Kabushiki Kaisha, where he honed his skills as an inventor. His work at these prestigious companies has equipped him with the experience necessary to create cutting-edge inventions.

Collaborations: Throughout his career, Arahira has collaborated with notable coworkers such as Hideo Arabori and Tsutomu Sato. These collaborations have allowed him to exchange knowledge and ideas, fostering a spirit of innovation and creativity.

Conclusion: Masato Arahira's contributions to the field of chemistry through his innovations and numerous patents highlight the impact of dedicated inventors in shaping technological advancements. His work serves as an inspiration for upcoming inventors aiming to make their mark in the industry.

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]