Location History:
- Zama, Kanagawa, JA (1978)
- Kiryu-shi, Gunma-ken, JP (1989)
- Kiryu, JP (1990 - 2003)
- Nagoya, JP (2001 - 2009)
Company Filing History:
1 out of 27 
1 out of 113 
1 out of 3,474 
Years Active: 1978-2009
Title: Akira Kojima: Innovator in Polyphenylene Sulfide Resin Compositions and Concrete Products
Introduction
Akira Kojima is a notable inventor based in Kiryu, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyphenylene sulfide resin compositions and innovative concrete products. With a total of 7 patents to his name, Kojima's work reflects a commitment to advancing technology and sustainability.
Latest Patents
Kojima's latest patents include a polyphenylene sulfide resin composition that comprises 100 parts by weight of a polyphenylene sulfide resin (A) and, compounded therewith, 1 to 100 parts by weight of glass fibers (B) with a single-fiber diameter of 12 µm or larger. This composition has a crystallization temperature during cooling of 205°C or lower. Another notable patent involves a similar resin composition that includes glass fibers with a diameter of 10 to 12 µm, excluding 12 µm, which also has a crystallization temperature of 205°C or lower and a chloroform-extractable content of 0.5 wt. % or lower. This composition yields a 2 mm-thick molded product with a transmittance of 15% or higher for laser beams at a wavelength of 940 nm and a heat distortion temperature of 230°C or higher under a load of 1.82 MPa. Additionally, he has developed a concrete product designed for promoting afforestation, which incorporates carbon fibers on the outer surface of a concrete body to enhance seed germination in water-sufficient environments.
Career Highlights
Throughout his career, Kojima has worked with various companies, including Sun Medical Technology Research Corporation. His innovative approaches have led to advancements in both industrial applications and environmental sustainability.
Collaborations
Kojima has collaborated with notable individuals in his field, including Sugio Otani and Kenji Yamazaki. These partnerships have contributed to the success and impact of his inventions.
Conclusion
Akira Kojima's contributions to the fields of materials science and environmental technology are commendable. His innovative patents and collaborations highlight his role as a significant inventor in Japan.
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.