Location History:
- Shimodate, JP (1999 - 2005)
- Chikusei, JP (2010 - 2017)
- Tsukuba, JP (2011 - 2017)
- Ibaraki, JP (2017)
Company Filing History:
Years Active: 1999-2017
Title: Yasushi Kumashiro: Innovator in Conductive Materials
Introduction
Yasushi Kumashiro is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of conductive materials, holding a total of 15 patents. His work focuses on developing innovative compositions and methods that enhance the performance of electronic components.
Latest Patents
Kumashiro's latest patents include a composition set for conductive substrates and a conductive adhesive composition. The composition set comprises a conductor layer-forming composition that includes a dispersing medium and inorganic particles made of metallic oxide. Additionally, the conductive adhesive composition features a binder and conductive particles with a particle size ranging from 1 nm to 3000 nm. Another notable patent involves a liquid composition that can form a resistor with a stable resistance value, which includes components such as epoxy resin, carbon black particles, carbon nanotubes, and a solvent with a low vapor pressure.
Career Highlights
Yasushi Kumashiro is currently associated with Hitachi Chemical Company, Ltd., where he continues to innovate in the field of conductive materials. His work has been instrumental in advancing technologies that rely on efficient electrical conductivity.
Collaborations
Kumashiro has collaborated with notable colleagues, including Kazunori Yamamoto and Yasushi Shimada, contributing to various projects that enhance the capabilities of conductive materials.
Conclusion
Yasushi Kumashiro's contributions to the field of conductive materials through his innovative patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in electronic components and materials science.