Hirohisa Narahashi

Title: Innovations of Hirohisa Narahashi

Introduction

Hirohisa Narahashi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor devices and printed wiring boards. With a total of five patents to his name, Narahashi has demonstrated a commitment to advancing technology through innovative solutions.

Latest Patents

Narahashi's latest patents include a method for manufacturing a printed wiring board. This method involves several steps: Step (A) includes laminating an adhesive sheet with a support and a resin composition layer to an inner layer board. Step (B) involves thermally curing the resin composition layer to form an insulating layer. Finally, Step (C) is the removal of the support. The support must meet specific conditions regarding its maximum expansion coefficients in both the MD and TD directions at elevated temperatures, ensuring that the yield is not compromised during the manufacturing process.

Career Highlights

Narahashi is currently employed at Ajinomoto Co., Ltd., where he continues to innovate in the field of materials and manufacturing processes. His work has been instrumental in enhancing the efficiency and reliability of semiconductor devices.

Collaborations

Throughout his career, Narahashi has collaborated with esteemed colleagues such as Shigeo Nakamura and Tadahiko Yokota. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hirohisa Narahashi's contributions to the field of semiconductor devices and printed wiring boards highlight his innovative spirit and dedication to technological advancement. His patents reflect a deep understanding of materials and manufacturing processes, making him a significant figure in his industry.