Company Filing History:
Years Active: 1995-2011
Title: Innovations of Yoshinori Takegawa
Introduction
Yoshinori Takegawa is a prominent inventor based in Ohtsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of heat-shrinkable polyester films. With a total of 6 patents to his name, Takegawa's work has had a notable impact on various industries.
Latest Patents
One of his latest patents is for a heat-shrinkable polyester film roll and a process for producing the same. This innovative film roll is characterized by specific requirements that enhance its performance. The heat-shrinkable polyester film must exhibit a heat-shrinkage percentage of 20% or more when samples are immersed in hot water at 85°C for 10 seconds. Additionally, the raw polymers used in the production of this film must include a major constitutional unit and one or more sub-constitutional units, with the primary sub-constitutional unit's content exceeding 7 mole % across all samples. Another significant aspect of his patent involves the heat-shrinkable polyester films, which require a content of 1,4-cyclohexane dimethanol ranging from 10 to 50% by mole based on the polyhydric alcohol component. The heat shrinkage factors of a 10 cm square sample of these films in hot water at various temperatures demonstrate impressive shrinkage percentages.
Career Highlights
Yoshinori Takegawa has built a successful career at Toyo Boseki Kabushiki Kaisha, where he continues to innovate and develop new materials. His expertise in polyester films has positioned him as a leader in this specialized field.
Collaborations
Throughout his career, Takegawa has collaborated with notable coworkers, including Katsuhiko Nose and Norimi Tabota. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Yoshinori Takegawa's contributions to the field of heat-shrinkable polyester films exemplify his innovative spirit and dedication to advancing material science. His patents reflect a commitment to quality and performance, making him a significant figure in his industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.