Shizuo Sekiguchi

This inventor holds 15 USPTO granted patents, primarily in Surfactant Chemistry. Top assignees: Lion Corporation, The Lion Fat and Oil Co. Ltd.. Active years: 1977-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuo Sekiguchi. Retrieved from https://idiyas.com/inventor/shizuo-sekiguchi

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 = 3.0

ph-index = 8

Forward Citations = 195(Granted Patents)

Location History:

Yokohama, JA (1977)
Yokohama, JP (1980)
Funabashi, JP (1980 - 1993)

Company Filing History:

The Lion Fat and Oil Co. Ltd.

patents

Years Active: 1977-1993

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Areas of Expertise:

Surfactant Composition

Nonionic Surface Active Agent

Emulsified Composition

Olefin Sulfonate

Fatty Acid Alkyl Ester

Alpha-Sulfo Fatty Acid

Homogeneous Solutions

Bleaching Agents

Aqueous Solutions

Internal Olefin Sulfonate

Saturated Fatty Acids

Unsaturated Fatty Acids

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5190747 - Oral or detergent composition comprising a nonionic surface active agent (1993-03-02),

2. 5154855 - Emulsified composition (1992-10-13),

3. 5109127 - Nonionic surface active agent (1992-04-28),

4. 4816188 - Process for the preparation of saturated/unsaturated mixed fatty acid (1989-03-28),

5. 4579687 - Process for producing salt of alpha-sulfo fatty acid alkyl ester (1986-04-01),

6. 4561999 - Surfactant composition (1985-12-31),

7. 4545939 - Process for producing sulfonate of unsaturated fatty acid ester (1985-10-08),

8. 4404143 - Process for producing high concentration solution of salt of alpha-sulfo (1983-09-13),

9. 4318823 - Light colored homogeneous and aqueous alpha olefin sulfonate solutions (1982-03-09),

10. 4309317 - Clear aqueous olefin sulfonate solution (1982-01-05),

11. 4279786 - Homogeneous aqueous alpha-olefin sulfonate composition (1981-07-21),

12. 4248793 - Process for the production of internal olefin sulfonate (1981-02-03),

13. 4185034 - Bleaching olefin sulfonates with phosphate and peroxide (1980-01-22),

14. 4183867 - Method for preparation of internal olefin sulfonate (1980-01-15),

15. 4021460 - Method for manufacturing .alpha.-sulfo fatty acid ester salt (1977-05-03),

Title: Shizuo Sekiguchi: A Pioneer in Innovative Compositions

Introduction

Shizuo Sekiguchi, an accomplished inventor based in Funabashi, Japan, holds an impressive portfolio of 15 patents. His innovations primarily focus on oral and emulsified compositions that incorporate novel surface-active agents to enhance efficacy.

Latest Patents

Among his notable recent patents is an oral detergent composition that includes a nonionic surface-active agent. This composition features a fatty acid ester derived from a hexose sugar or its alkyl glycoside variant. The formulation specifies that the content of monoester ranges from 93% to 99.0% by weight, while diester and tri- and higher polyesters make up the remaining percentages, ensuring optimal performance. Additionally, he has patented an emulsified composition that utilizes an oily substance combined with an emulsifying agent. Key components of this patent include glucose fatty acid monoesters and alkyl glucoside fatty acid monoesters, all characterized by alkyl groups containing 1 to 4 carbon atoms.

Career Highlights

Shizuo Sekiguchi has made significant contributions while working for prominent companies such as Lion Corporation and The Lion Fat and Oil Co., Ltd. His work has greatly influenced the development of innovative products in the field of surfactants and emulsifiers.

Collaborations

Throughout his career, Sekiguchi has collaborated with notable professionals, including Kyozo Kitano and Katsumasa Nagano. These collaborations have enabled the pooling of expertise and resources, leading to groundbreaking advancements in the compositions he has developed.

Conclusion

In summary, Shizuo Sekiguchi stands out as a remarkable inventor whose 15 patents reflect a dedication to innovation in oral and emulsified compositions. His work continues to shape the industry, providing valuable solutions and inspiring future developments in the field.

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]