Location History:
- Otsu, JP (2001 - 2004)
- Ohtsu, JP (2001 - 2018)
- Osaka, JP (2019 - 2022)
Company Filing History:
11 out of 789 
2 out of 395 
1 out of 18 Years Active: 2001-2022
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.