Location History:
- Machida, JP (1981 - 1985)
- Niigata-ken, JP (1996 - 1997)
- Niigata, JP (1997 - 1998)
- Ichihara, JP (2002)
- Chiba, JP (2006)
Company Filing History:
10 out of 475 
2 out of 31 
Years Active: 1981-2006
Title: Masao Koga: Innovator in Rubber Composition
Introduction
Masao Koga is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of rubber compositions, holding a total of 10 patents. His innovative work has led to advancements in materials that are essential for various industrial applications.
Latest Patents
Koga's latest patents include an ethylene-acrylic copolymer rubber composition. This composition comprises a carboxyl group-containing ethylene-acrylic copolymer rubber, a monoamine compound, a guanidine type compound, and an aromatic diamine compound. Another notable patent is a method for producing a carboxyl group-containing rubber that exhibits excellent vulcanization characteristics and resistance to scorching. This method utilizes a coagulating agent containing ammonium borate for efficient production.
Career Highlights
Throughout his career, Masao Koga has worked with notable companies such as Denki Kagaku Kogyo Co., Ltd. and Konishi Co., Ltd. His experience in these organizations has allowed him to refine his expertise in rubber technology and innovation.
Collaborations
Koga has collaborated with esteemed colleagues, including Shogo Hagiwara and Kohki Takahashi. These partnerships have contributed to the development of his groundbreaking patents and innovations.
Conclusion
Masao Koga's contributions to the field of rubber compositions highlight his role as a key innovator. His patents and collaborations reflect his commitment to advancing material science.