Company Filing History:
2 out of 614 
2 out of 3,208 Years Active: 1999
Title: Chikao Kumaki: Innovator in Polyethylene-2,6-Naphthalate Technology
Introduction
Chikao Kumaki is a notable inventor based in Tokyo-To, Japan. He has made significant contributions to the field of materials science, particularly in the development of films made from polyethylene-2,6-naphthalate resin. With a total of 2 patents, his work has implications for various industrial applications.
Latest Patents
Kumaki's latest patents focus on a film formed from polyethylene-2,6-naphthalate resin. The first patent describes a polyethylene-2,6-naphthalate film that comprises a resin primarily composed of polyethylene-2,6-naphthalate, featuring an intrinsic viscosity in the range of 0.31 to 0.6. This film exhibits stretch ratios of 1 to 3 times and 1 to 3 times or 3 to 6 times and 1 to 1.8 times in substantially mutually perpendicular directions, with a thickness ranging from 5 to 150 micrometers.
Career Highlights
Throughout his career, Chikao Kumaki has worked with prominent companies such as NKK Corporation and Dai Nippon Printing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer technology and film production.
Collaborations
Kumaki has collaborated with notable colleagues, including Shinichiro Mori and Katsuhiko Sasada. These partnerships have contributed to the advancement of his research and innovations in the field.
Conclusion
Chikao Kumaki's contributions to the development of polyethylene-2,6-naphthalate films highlight his role as an innovator in materials science. His patents and collaborations reflect a commitment to advancing technology in this area.