Toshikazu Uchida

Title: The Innovations of Toshikazu Uchida

Introduction

Toshikazu Uchida is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyester films. With a total of 5 patents to his name, Uchida's work has had a notable impact on the technology used in magnetic recording mediums.

Latest Patents

Uchida's latest patents include a biaxially oriented laminate polyester film specifically designed for magnetic recording mediums. This innovative film features a unique combination of properties, including a difference between the refractive index on the front and rear sides of the film ranging from 0 to 0.002. Additionally, it exhibits a heat shrinkage factor of 0 to 0.6% when heated at 105°C for 30 minutes under no load. The film also boasts a Young's modulus of 4,609 MPa or more, with a maximum-minimum difference of Young's modulus on the film plane of 981 MPa or less. Furthermore, it has a center line average roughness on the film plane of 2 to 10 nm and a static friction coefficient of 0.55 or less. These characteristics enable the production of flexible disks with excellent electromagnetic conversion characteristics by forming an adhesive layer on both sides of the film and a magnetic layer on the adhesive layer.

Career Highlights

Uchida is currently employed at Teijin Limited, a leading company in the field of advanced materials. His work at Teijin has allowed him to explore innovative solutions and contribute to the development of cutting-edge technologies. His expertise in polyester films has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Uchida has collaborated with notable colleagues, including Toshifumi Osawa and Mitsuo Tojo. These collaborations have fostered a creative environment that has led to the advancement of various projects and innovations.

Conclusion

Toshikazu Uchida's contributions to the field of materials science, particularly in polyester film technology, have established him as a significant inventor. His innovative patents and collaborations continue to influence advancements in magnetic recording mediums.