Company Filing History:
Years Active: 1988-1999
Title: Hisashi Hamano: Innovator in Biaxially Oriented Films
Introduction
Hisashi Hamano is a renowned inventor based in Sagamihara, Japan, with an impressive portfolio of 21 patents. His work primarily focuses on developing innovative materials, particularly in the field of biaxially oriented films, which have a wide range of applications in magnetic recording media and electrical insulation.
Latest Patents
Among his latest patents, Hamano has made significant advancements with his inventions related to biaxially oriented polyethylene-2,6-naphthalate film and biaxially oriented polyester film. The polyethylene film is engineered to produce magnetic recording media, offering exceptional properties, including a Young's modulus of at least 550 kg/mm² in the longitudinal direction and 800 kg/mm² in the transverse direction. The film boasts a surface roughness Ra of 1-12 nm and contains 0.005-2% by weight of fine particles, contributing to low heat shrinkage.
Meanwhile, his polyester film exhibits remarkable resistances to dry and wet heat deterioration, making it suitable for use in high moisture conditions. This film can be utilized as an electrical insulating film, a transparent electrode film, and even in applications such as microwave ovens due to its ability to absorb electromagnetic waves. The polyester composition includes 99.5 to 95 mole % of ethylene-2,6-naphthalenedicarboxylate, ensuring high density and low diluent content.
Career Highlights
Hamano's career is prominently linked with Teijin Limited, a leading company in advanced material technologies. His innovative contributions have not only enhanced the product offerings of the company but have also propelled advancements in the materials engineering field.
Collaborations
Throughout his career, Hamano has worked closely with notable colleagues such as Yasuhiro Saeki and Masahiro Hosoi. These collaborations have fostered an environment of innovation, allowing for the joint development of advanced materials that stand out in the market.
Conclusion
Hisashi Hamano’s dedication to innovation and excellence in the field of biaxially oriented films makes him a significant figure in the industry. His patents not only reflect his creative ingenuity but also demonstrate his impact on technology, particularly in the realms of magnetic recording and electrical insulation.
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.