Yasuhiko Kakinoya

Title: Yasuhiko Kakinoya: Innovator in Positive Resist Composition

Introduction

Yasuhiko Kakinoya is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of resist compositions, particularly in the development of positive resist materials used in photolithography.

Latest Patents

Kakinoya holds 2 patents related to positive resist compositions. His latest patents include a positive resist composition and a method of forming a resist pattern. The first patent describes a positive resist composition that includes a base component which exhibits increased solubility in an alkali developing solution under the action of acid. This composition features a polymeric compound with an acid dissociable, dissolution inhibiting group and an acid-generator component that generates acid upon exposure. The second patent outlines a resist composition that includes a base component, an acid generator, and an organic solvent, emphasizing the importance of the structural units involved in the composition.

Career Highlights

Kakinoya is associated with Tokyo Ohka Kogyo Co., Ltd., a company known for its innovations in the field of photolithography materials. His work has been instrumental in advancing the technology used in semiconductor manufacturing.

Collaborations

Kakinoya collaborates with Naoto Motoike, contributing to the development of advanced resist compositions and methods.

Conclusion

Yasuhiko Kakinoya's contributions to the field of positive resist compositions have made a significant impact on the semiconductor industry. His innovative patents continue to influence the development of photolithography materials.