This inventor holds 4 USPTO granted patents. Top assignees: Sunstar Giken Kabushiki Kaisha, Sunstar Suisse S.a., Other. Active years: 1999-2008.
Location History:
- Nishinomiya, JP (1999 - 2005)
- Takatsuki, JP (2008)
Company Filing History:


Years Active: 1999-2008
Title: Johshi Gotoh: Innovator in Epoxy Resin and Semiconductor Materials
Introduction
Johshi Gotoh is a notable inventor based in Nishinomiya, Japan. He has made significant contributions to the field of materials science, particularly in the development of epoxy resin compositions and underfilling materials for semiconductor packages. With a total of 4 patents to his name, Gotoh's work has had a substantial impact on the electronics industry.
Latest Patents
Gotoh's latest patents include a one-component hot-setting epoxy resin composition and an underfilling material for semiconductor packages. The one-pack thermosetting type epoxy resin composition is designed for use as an underfilling material in flip chip or semiconductor packages. This innovative composition eliminates the need for a fluxing process, enhancing the bonding force of bumps or solder balls during mounting. It also exhibits excellent voidless properties at reflow temperatures and can be utilized as an adhesive, paint, coating material, or sealing material. The underfilling material for semiconductor packages consists of a one-pack type thermosetting urethane composition, which provides low-temperature curing properties and storage stability.
Career Highlights
Throughout his career, Johshi Gotoh has worked with several companies, including Sunstar Giken Kabushiki Kaisha and Sunstar Suisse S.a. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to innovative solutions in the industry.
Collaborations
Gotoh has collaborated with notable coworkers such as Tatsuya Okuno and Nobuhiko Maeda. Their combined efforts have further advanced the development of materials used in semiconductor technology.
Conclusion
Johshi Gotoh's contributions to the field of epoxy resin and semiconductor materials demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the efficiency and effectiveness of materials used in electronics.