Hideshi Sakamoto

This inventor holds 9 USPTO granted patents. Top assignees: Chisso Corporation, Chisso Petrochemical Corporation, Japan Polypro Backing Co. Ltd.. Active years: 1984-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideshi Sakamoto. Retrieved from https://idiyas.com/inventor/hideshi-sakamoto

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 120(Granted Patents)

Location History:

Ichiharashi, JP (1988 - 1990)
Chiba, JP (1990)
Ichihara, JP (1984 - 2006)

Company Filing History:

Chisso Petrochemical Corporation

patents

1 out of 1

Japan Polypro Backing Co. Ltd.

patent

where one patent can have more than one assignee

Years Active: 1984-2006

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7141168 - Porous polyolefin membrane (2006-11-28),

2. 4983452 - Electroconductive thermoplastic sheet and method of forming same (1991-01-08),

3. 4939027 - Electroconductive thermoplastic resin sheets and molded articles (1990-07-03),

4. 4929496 - Electroconductive thermoplastic resin molded product (1990-05-29),

5. 4891264 - Electroconductive thermoplastic resin sheet (1990-01-02),

6. 4857377 - Electroconductive fabric sheet and molded article having it on surface (1989-08-15),

7. 4752526 - Heat resistance-improved metal-polypropylene laminate composite (1988-06-21),

8. 4560734 - Polypropylene fibers having improved heat-shrinkability and tenacity (1985-12-24),

9. 4482595 - Primary backing of foamed polypropylene tapes and tufted carpets (1984-11-13),

Title: Hideshi Sakamoto: Innovator in Polyolefin Membranes and Electroconductive Materials

Introduction

Hideshi Sakamoto is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative polyolefin membranes and electroconductive materials. With a total of 9 patents to his name, Sakamoto's work has had a considerable impact on various industries.

Latest Patents

One of Sakamoto's latest patents is for a porous polyolefin membrane. The purpose of this invention is to provide a membrane characterized by a small pore diameter and high porosity, achieved through a simplified manufacturing process. This process facilitates uniform dispersion of the components, resulting in a film-shaped melt that is stretched to form a membrane with continuous pores.

Another significant patent is for an electroconductive thermoplastic sheet. This invention involves superposing an electroconductive nonwoven fabric onto a thermoplastic film or sheet. The resulting laminate retains both transparency and electroconductivity, making it suitable for applications in electronic parts and precision instruments where dust deposition and static electricity obstruction are critical.

Career Highlights

Throughout his career, Hideshi Sakamoto has worked with prominent companies such as Chisso Corporation and Chisso Petrochemical Corporation. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.

Collaborations

Sakamoto has collaborated with notable coworkers, including Takashi Daimon and Osamu Akimoto. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Hideshi Sakamoto's contributions to the field of materials science through his innovative patents highlight his role as a leading inventor. His work continues to influence the development of advanced materials in various applications.

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]