Takatoshi Ishigaki

Title: Takatoshi Ishigaki: Innovator in Optical Materials

Introduction

Takatoshi Ishigaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical materials, holding a total of 2 patents. His work focuses on developing advanced materials that enhance optical performance.

Latest Patents

Ishigaki's latest patents include an optical molding material and an optical disk substrate along with its production method. The optical molding material comprises a cyclic polyolefin resin with a glass transition temperature (Tg) ranging from 120°C to 170°C. The resin exhibits specific melt viscosity characteristics at various temperatures and shear rates, making it suitable for optical applications. Additionally, the optical disk substrate is produced through a method that involves injection-molding the thermoplastic resin under precise conditions, ensuring optimal performance in optical devices.

Career Highlights

Throughout his career, Ishigaki has worked with notable companies such as Bando Chemical Industries and JSR Corporation. His expertise in material science has led to innovations that are widely recognized in the industry.

Collaborations

Ishigaki has collaborated with esteemed colleagues, including Takayoshi Tanabe and Shuji Tsuchikawa. These partnerships have contributed to the advancement of optical materials and their applications.

Conclusion

Takatoshi Ishigaki's contributions to optical materials through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in optical technology.