This inventor holds 5 USPTO granted patents. Top assignee: Daicel Chemical Industries, Ltd.. Active years: 1982-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Himeji, JP (1982 - 1990)
- Kawachinagano, JP (2013)
Company Filing History:
Years Active: 1982-2013
Title: The Innovations of Nagayoshi Tsukane
Introduction
Nagayoshi Tsukane is a prominent inventor based in Himeji, Japan. He has made significant contributions to the field of materials science, particularly in the development of protective films and high-density information recording carriers. With a total of 5 patents to his name, Tsukane's work has had a notable impact on various industries.
Latest Patents
One of Tsukane's latest patents is a protective film for polarizing membranes and polarizing laminates. This innovative film is designed to prevent light leakage and enhance moldability. It contains a polyamide resin that is oriented to achieve a retardation value of not less than 300 nm. Additionally, the polyamide resin may include an alicyclic polyamide resin, which is derived from an alicyclic diamine and an aliphatic dicarboxylic acid. The resin's microcrystallinity and an Abbe number of not less than 40 further enhance its performance.
Another significant patent involves a high-density information recording carrier, such as an optical disk. This invention improves the protective layer situated between the recording layer and the plastic substrate. The protective layer is composed of inorganic glass made from alkali-free glass, containing less than 1 wt % of alkali metal oxides. The resulting optical disk exhibits improved durability, higher C/N ratios, lower BER, and a higher film-forming rate.
Career Highlights
Nagayoshi Tsukane is currently employed at Daicel Chemical Industries, Ltd., where he continues to innovate and develop new materials. His work has been instrumental in advancing technologies related to optical devices and information storage.
Collaborations
Throughout his career, Tsukane has collaborated with notable colleagues, including Masaru Sato and Tatsuo Izumitani. These partnerships have fostered a creative environment that has led to the successful development of various patents.
Conclusion
Nagayoshi Tsukane's contributions to the field of materials science are significant and impactful. His innovative patents reflect a commitment to advancing technology and improving product performance. As he continues his work at Daicel Chemical Industries, his future inventions are eagerly anticipated.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile