Location History:
- Chofu, JA (1976)
- Fukuoka, JP (1989)
- Higashinihonbashi, JP (1990)
Company Filing History:
2 out of 2 
1 out of 817 
1 out of 1,430 
Years Active: 1976-1990
Title: Junshiro Hayakawa: Innovator in Metal Diboride Ceramics and Sintered Titanium Carbo-Nitride Ceramics
Introduction
Junshiro Hayakawa is a notable inventor based in Higashinihonbashi, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced ceramics. With a total of 3 patents to his name, his work has implications for various industrial applications.
Latest Patents
Hayakawa's latest patents include a method for manufacturing metal diboride ceramics. This innovative process involves mixing a powder of at least one of TiB₂, ZrB₂, and HfB₂ with other materials to create a mixed powder. This mixed powder can then be sintered to produce a high-density product with a boron content of 65 to 67 atom %. His second patent focuses on sintered titanium carbo-nitride ceramics, which consist of ceramic sintered bodies that are used for cutting tools and wear-resistant machine parts due to their high density, hardness, and strength.
Career Highlights
Throughout his career, Junshiro Hayakawa has worked with prominent companies such as Tokyo Kokyu Rozai Co., Ltd. and Mitsui Mining & Smelting Company, Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and ceramics.
Collaborations
Hayakawa has collaborated with notable individuals in his field, including Tadahiko Watanabe and Kazuhisa Shobu. These collaborations have contributed to the advancement of his research and innovations.
Conclusion
Junshiro Hayakawa's contributions to the field of ceramics and materials science are noteworthy. His innovative patents and career achievements reflect his dedication to advancing technology in this area. His work continues to influence the development of high-performance materials.