Shoichi Gyobu

This inventor holds 13 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Toyo Boseki Kabushiki Kaisha, Toyobo Co., Ltd., Furanix Technologies B.v.. Active years: 2001-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichi Gyobu. Retrieved from https://idiyas.com/inventor/shoichi-gyobu

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

USPTO Granted Patents = 13

% Patents Active = 69.2

CIPO Patents = 1

EPO Patents = 1 (Patent Applications = 2)

Average Co-Inventor Count = 5.2

ph-index = 7

Forward Citations = 121(Granted Patents)

Location History:

Otsu, JP (2001 - 2004)
Ohtsu, JP (2001 - 2018)
Osaka, JP (2019 - 2022)

Company Filing History:

11 out of 789

Toyo Boseki Kabushiki Kaisha

Furanix Technologies B.v.

where one patent can have more than one assignee

Years Active: 2001-2022

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11511473 - Method for producing polyester film having furandicarboxylate unit (2022-11-29),

2. 10407555 - Polyester film containing furandicarboxylate unit (2019-09-10),

3. 9931822 - Polyester film, use thereof and metal laminated sheet made of said film, and metal can and metal lid made of the sheet (2018-04-03),

4. 8293862 - Polyester polymerization catalyst, polyester produced by using the same, and a process for producing polyester (2012-10-23),

5. 7501373 - Polymerization catalyst for polyester production, polyester, and process for producing polyester (2009-03-10),

6. 7208565 - Polymerization catalyst for polyesters, polyester produced with the same, and process for production of polyester (2007-04-24),

7. 7199212 - Polymerization catalyst for polyesters, polyesters produced with the same and process for producing polyesters (2007-04-03),

8. 7144614 - Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester (2006-12-05),

9. 7132383 - Polymerization catalyst for polyester, polyester produced with the same, and process for producing polyester (2006-11-07),

10. 6689437 - Oxygen-absorbing material (2004-02-10),

11. 6465063 - Heat-shrinkable polyester films (2002-10-15),

12. 6245880 - Organophosphorous composition, method of producing organophosphorous compound, polyester composition and method of producing the same (2001-06-12),

13. 6242560 - Thermoplastic polyester elastomer and composition comprising the same (2001-06-05),

Title: The Innovations of Shoichi Gyobu

Introduction

Shoichi Gyobu is a notable inventor based in Ohtsu, Japan. He has made significant contributions to the field of polyester film production, holding a total of 13 patents. His work focuses on methods and materials that enhance the properties and applications of polyester films.

Latest Patents

One of Gyobu's latest patents is a method for producing a polyester film that incorporates a furandicarboxylate unit. This innovative method involves several steps, including feeding a polyester resin into an extruder, extruding the molten resin to create a sheet, and then biaxially stretching the sheet. The polyester resin used in this process is composed of a polyethylene furandicarboxylate resin, which is derived from furandicarboxylic acid and ethylene glycol. The method ensures that the intrinsic viscosity of the resin is 0.50 dL/g or more, and it maintains a specific resistance value at 250°C of 3.0×10^Ω·cm or less. Another significant patent involves the creation of a polyester film that is biaxially oriented and suitable for industrial and packaging purposes. This film is characterized by its plane orientation coefficient and specific thickness, making it versatile for various applications.

Career Highlights

Throughout his career, Shoichi Gyobu has worked with prominent companies such as Toyo Boseki Kabushiki Kaisha and Toyobo Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polyester film technology and contribute to advancements in the industry.

Collaborations

Gyobu has collaborated with notable colleagues, including Takahiro Nakajima and Katsuya Ito. These partnerships have fostered innovation and development in the field of polyester films.

Conclusion

Shoichi Gyobu's contributions to polyester film technology are significant and impactful. His innovative methods and collaborations continue to influence the industry, showcasing the importance of research and development in creating advanced materials.

Profile summary based on public USPTO records.