Shiro Tsubokura

This inventor holds 17 USPTO granted patents and 1 published patent application, plus 5 CIPO patents and 10 EPO patents. Top assignee: Nippon Soda Co., Ltd.. Active years: 2002-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shiro Tsubokura. Retrieved from https://idiyas.com/inventor/shiro-tsubokura

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

USPTO Granted Patents = 17 (Patent Applications = 1)

% Patents Active = 100.0

CIPO Patents = 5

EPO Patents = 10 (Patent Applications = 9)

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 64(Granted Patents)

Location History:

Niigata, JP (2002)
Odawara, JP (2009)
Joetsu, JP (2015)
Takaoka, JP (2014 - 2020)

Company Filing History:

17 out of 517

Nippon Soda Co., Ltd.

patents

Years Active: 2002-2020

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10717705 - Method for producing fluorine-containing sulfonylamide compound (2020-07-21),

2. 10214419 - Granules or powder of disulfonylamide salt and method for producing same (2019-02-26),

3. 9242862 - Process for production of fluorosulfonylimide ammonium salt (2016-01-26),

4. 9233849 - Process for producing fluorine-containing sulfonylimide salt (2016-01-12),

5. 9096502 - Production process for fluorosulfonylimide ammonium salt (2015-08-04),

6. 9018385 - Compound containing pyridine ring and method for producing halogenated picoline derivative and tetrazolyloxime derivative (2015-04-28),

7. 9012653 - Compound containing pyridine ring and method for producing halogenated picoline derivative and tetrazolyloxime derivative (2015-04-21),

8. 9000178 - Compound containing pyridine ring and method for producing halogenated picoline derivative and tetrazolyloxime derivative (2015-04-07),

9. 8981107 - Nitrogen-containing heterocyclic compound and method for producing same (2015-03-17),

10. 8962850 - Nitrogen-containing heterocyclic compound and method for producing same (2015-02-24),

11. 8962849 - Nitrogen-containing heterocyclic compound and method for producing same (2015-02-24),

12. 8962848 - Compound containing pyridine ring and method for producing halogenated picoline derivative and tetrazolyloxime derivative (2015-02-24),

13. 8841458 - Compound containing pyridine ring and method for producing halogenated picoline derivative and tetrazolyloxime derivative (2014-09-23),

14. 8809544 - Nitrogen-containing heterocyclic compound and method for producing same (2014-08-19),

15. 8703959 - Nitrogen-containing heterocyclic compound and method for producing same (2014-04-22),

Title: Shiro Tsubokura: Innovator in Sulfonylamide Compounds

Introduction

Shiro Tsubokura is a prominent inventor based in Takaoka, Japan, recognized for his significant contributions to the field of chemistry, particularly in the production of fluorine-containing sulfonylamide compounds. With a remarkable portfolio of 17 patents, Tsubokura has established himself as a key figure in innovation within this specialized industry.

Latest Patents

Tsubokura's recent patents showcase his expertise and innovative thinking. One notable patent is a method for producing fluorine-containing sulfonylamide compounds, which involves efficiently removing impurities such as sodium ions, fluoride ions, chloride ions, and fluorosulfate ions without compromising the yield of the target product. This method enhances the washing process with an aqueous solution of sulfuric acid salts, ensuring high-quality outcomes.

Another significant patent is the development of granules or powders of disulfonylamide salt. This innovative product consists of a compound with specific size characteristics—a modal diameter of 80 µm or less and a median diameter of 45 µm or less. These properties make the granules ideal for use as electrolytes, improving efficiency in various applications.

Career Highlights

Tsubokura's career is marked by his dedication to research and development in the chemical industry, currently working at Nippon Soda Co., Ltd. His inventive spirit and commitment to solving complex problems have propelled his achievements and allowed him to make lasting contributions in his field.

Collaborations

Throughout his journey, Tsubokura has collaborated with notable colleagues, including Koichi Kutose and Hiroki Inoue. These partnerships have enabled him to combine expertise and foster innovation, amplifying the impact of his work.

Conclusion

Shiro Tsubokura stands out as a leading inventor in the realm of sulfonylamide compounds. His innovative methods and significant patents reflect his commitment to advancing the industry and addressing the challenges within. As a valuable member of Nippon Soda Co., Ltd., Tsubokura continues to inspire future innovations in chemistry.

Profile summary based on public USPTO records.