This inventor holds 10 USPTO granted patents. Top assignees: Sumitomo Metal Industries, Inc., Sumikin Coke Company Limited, Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1978-1991.
Location History:
- Amagasaki, JA (1978)
- Amagasaki, JP (1979 - 1983)
- Kashima, JP (1989)
- Ibaraki, JP (1984 - 1991)
Company Filing History:
10 out of 929 
2 out of 8 
1 out of 776 
Years Active: 1978-1991
Title: Innovations of Yoshihiko Sunami
Introduction
Yoshihiko Sunami is a notable inventor based in Amagasaki, Japan. He has made significant contributions to the field of materials science, particularly in the refinement of carbonaceous materials. With a total of 10 patents to his name, Sunami's work has had a profound impact on various industrial applications.
Latest Patents
One of his latest patents is a process for refining coal-derived heavy carbonaceous materials. This innovative process aims to remove quinline insolubles from materials such as pitch. It involves providing a coal-derived heavy carbonaceous material, heating it to make it fluid, and mixing it with a ketone solvent. This method allows for the production of high-grade carbon stocks, including needle coke and carbon fibers. Another significant patent is a molding process and device for a molding compound containing a binder. This process utilizes a special temperature pattern to ensure the effective setting of the molding compound.
Career Highlights
Throughout his career, Yoshihiko Sunami has worked with prominent companies such as Sumitomo Metal Industries, Inc. and Sumikin Coke Company Limited. His experience in these organizations has contributed to his expertise in the field of carbon materials and their applications.
Collaborations
Sunami has collaborated with notable colleagues, including Kunihiko Nishioka and Keiichi Sasaki. These partnerships have further enriched his research and development efforts.
Conclusion
Yoshihiko Sunami's innovative work in refining carbonaceous materials and molding processes showcases his significant contributions to materials science. His patents reflect a commitment to advancing technology in this field, making him a prominent figure among inventors.