Katsuhiko Sumita

Title: Inventor Katsuhiko Sumita: Pioneering Advances in Semiconductor and Fuel Cell Technologies

Introduction

Katsuhiko Sumita, an innovative inventor based in Himeji, Japan, has contributed significantly to the fields of semiconductor manufacturing and fuel cell technology. With a remarkable portfolio of four patents, his work embodies the spirit of advancement in these critical sectors.

Latest Patents

Sumita's latest patents showcase his ingenuity and focus on enhancing manufacturing efficiency and product quality. One notable patent describes a **semiconductor device manufacturing method** that efficiently produces semiconductor devices while preventing warpage in wafer laminates. This method involves preparing first wafer laminates, thinning the first wafer, and bonding thinned sides, thereby ensuring that multilayered semiconductor elements are fabricated with precision.

Another significant patent involves a **release film** for producing a membrane electrode assembly in polymer electrolyte fuel cells. This release film consists of a cyclic olefin polymer with specific thermal properties, allowing for improved production processes. The innovation leads to enhanced production of membrane electrode assemblies, vital for the performance and reliability of fuel cells.

Career Highlights

Katsuhiko Sumita has made substantial contributions during his tenure at Daicel Chemical Industries, Ltd. and Daicel Corporation. His expertise in manufacturing processes for semiconductor devices and fuel cells has propelled advancements in technology, directly impacting the efficiency and effectiveness of products in the market.

Collaborations

Throughout his career, Sumita has collaborated with accomplished professionals, enhancing his innovative efforts. Notable coworkers include Masaya Omura and Hiroshi Onomichi. Together, they have worked on various projects that have furthered the development and refinement of essential technologies in their respective industries.

Conclusion

Katsuhiko Sumita exemplifies the essence of innovation in the high-tech landscape of Japan. With several patents to his name and vast experience in esteemed companies, his contributions to semiconductor manufacturing and fuel cell technology continue to shape the future of these fields. His ongoing commitment to improving manufacturing methods serves as an inspiration for emerging inventors and researchers globally.