Yasufumi Oishi

Title: Yasufumi Oishi: Innovator in Photosensitive Resin Technology

Introduction

Yasufumi Oishi is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of photosensitive resin compositions, which are essential in various electronic manufacturing processes. With a total of 2 patents to his name, Oishi's work has garnered attention in the industry.

Latest Patents

Oishi's latest patents include a photosensitive resin composition and a method for producing the same. This composition features an ethylenically unsaturated compound, a resin that increases in polarity due to acid action, and metal atoms. The total content of metal atoms ranges from 1 ppt to 30 ppb concerning the total mass of the composition. Additionally, the ethylenically unsaturated compound's content is between 0.0001% by mass and 1% by mass of the total mass. His patents also cover a resist film, a pattern forming method, and a method for manufacturing electronic devices that utilize this innovative photosensitive resin composition.

Another significant patent involves an actinic ray-sensitive or radiation-sensitive resin composition. This composition includes a resin with a repeating unit capable of increasing polarity through acid action. These advancements are crucial for enhancing the efficiency and effectiveness of electronic device manufacturing.

Career Highlights

Yasufumi Oishi is currently associated with Fujifilm Corporation, where he continues to develop innovative materials and processes. His expertise in photosensitive resin technology has positioned him as a key figure in the field.

Collaborations

Oishi has collaborated with notable colleagues, including Akiyoshi Goto and Daisuke Asakawa. Their combined efforts contribute to the advancement of technology in the industry.

Conclusion

Yasufumi Oishi's contributions to photosensitive resin technology reflect his dedication to innovation and excellence. His patents play a vital role in the development of electronic devices, showcasing the importance of his work in the field.