Location History:
- Sodegaura, JP (1991 - 1994)
- Chiba, JP (2006)
- Ichihara, JP (2001 - 2012)
Company Filing History:
8 out of 555 
3 out of 2,271 
Years Active: 1991-2012
Title: Masahiro Kitayama: Pioneer in Molding Materials for Optical Discs
Introduction
Masahiro Kitayama, an innovative inventor based in Ichihara, Japan, has made significant contributions to the field of materials science, particularly in developing molding materials for optical discs. With a total of 11 patents, his work has made a lasting impact on the technology behind Blu-ray and HD DVDs.
Latest Patents
Kitayama's recent patents include a noteworthy invention for a molding material tailored for Blu-ray Disc substrates and HD DVD substrates. This innovation aims to reduce appearance failures and improve yield stability. The molding material consists of an aromatic polycarbonate (PC) resin manufactured using an interfacial method, combined with fatty acid monoglycerides, PETS, and antioxidants in precise proportions. The production method involves introducing these components into an extruder to create a strand through melt extrusion molding, which is then cooled and cut into pellets.
Moreover, he has developed a flame-retardant polycarbonate resin composition that combines a polycarbonate resin with a styrenic resin and silicone compounds to enhance safety in formed articles.
Career Highlights
Throughout his career, Kitayama has worked with prestigious companies, including Idemitsu Petrochemical Co., Ltd. and Idemitsu Kosan Company, Limited. His innovative spirit and dedication to research have led to advancements that benefit the optical disc industry and beyond.
Collaborations
Kitayama has collaborated with noted colleagues such as Akio Nodera and Toshio Isozaki. Together, they have pushed the boundaries of materials innovation, influencing the design and production processes in their respective fields.
Conclusion
Masahiro Kitayama stands out as a prominent inventor whose work continues to shape the landscape of optical disc technology. His latest innovations in molding materials promise a brighter future for the industry by enhancing quality and manufacturing efficiency. With a robust portfolio of patents and valuable collaborations, Kitayama exemplifies the spirit of innovation that drives technological progress.
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.