Company Filing History:
4 out of 2,916 
4 out of 52,751 
Years Active: 1984-1989
Title: Innovations of Yoshikatsu Takeoka
Introduction
Yoshikatsu Takeoka is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical recording technologies. With a total of 8 patents to his name, Takeoka's work has advanced the capabilities of optical media.
Latest Patents
One of his latest patents is titled "Radiation sensitive carrier body utilized as stamper structure." This invention features a glass substrate with a highly adhesive layer and a radiation-sensitive layer that forms protuberances when irradiated with a laser beam. This technology allows for the creation of spiral grooves in optical disks, facilitating the digital writing of information. Another notable patent is the "Method for manufacturing bubble-mode optical recording media." This method involves creating a recording layer made of a mixture of indium oxide and organic clusters, which deform to form protuberances when heated by a laser beam.
Career Highlights
Throughout his career, Yoshikatsu Takeoka has worked with notable companies such as Tokyo Shibaura Denki Kabushiki Kaisha and Toshiba Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Takeoka has collaborated with esteemed colleagues, including Nobuaki Yasuda and Norio Ozawa. Their combined efforts have led to advancements in the field of optical recording.
Conclusion
Yoshikatsu Takeoka's innovative work in optical recording technologies has made a lasting impact on the industry. His patents reflect a commitment to advancing the capabilities of optical media, showcasing his role as a leading inventor in this field.