This inventor holds 3 USPTO granted patents. Top assignees: Teijin Limited, Other. Active years: 2000-2005.
Location History:
- Osaka, JP (2000)
- Mihara, JP (2003 - 2005)
Company Filing History:

Years Active: 2000-2005
Title: Nobuo Ohkawa: Innovator in Porous and Composite Materials
Introduction
Nobuo Ohkawa is a notable inventor based in Mihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of porous and fiber composite sheets. With a total of 3 patents to his name, his work has implications for various industries, including fashion and manufacturing.
Latest Patents
Ohkawa's latest patents include a porous sheet and a fiber composite sheet, along with the processes for their production. The porous sheet is designed to serve as a substitute for natural leather in shoes and clothing. It is composed of an elastic polymer, with a thickness ranging from 10 to 500 micrometers. This innovative sheet features between 500 to 15,000 fine pores, each with an average diameter of 1 to 20 micrometers. It boasts a breaking strength of 1 to 15 N/mm and a breaking elongation of 100 to 500%. Additionally, the fiber composite sheet is created by laminating the porous sheet onto a substrate made primarily of fiber aggregates.
Career Highlights
Throughout his career, Nobuo Ohkawa has worked with prominent companies, including Teijin Limited. His expertise in material innovation has positioned him as a key figure in the development of advanced materials that meet modern demands.
Collaborations
Ohkawa has collaborated with notable colleagues such as Akihiro Imoto and Kimio Nakamura. Their combined efforts have contributed to the advancement of technology in the field of materials science.
Conclusion
Nobuo Ohkawa's innovative work in porous and fiber composite materials showcases his significant impact on the industry. His patents reflect a commitment to advancing material technology, making him a noteworthy inventor in his field.