This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Mitsubishi Gas Chemical Company, Inc., Mitsubishi Gas Chemical Trading, Inc.. Active years: 2014-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2014-2026
Title: Kensuke Ohmae: Innovator in Semiconductor Technology
Introduction
Kensuke Ohmae is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on developing innovative methods and compositions that enhance the manufacturing processes of semiconductor devices.
Latest Patents
Ohmae's latest patents include a method for producing a package substrate that features a composition for removing photoresist. This invention provides an aqueous composition capable of effectively removing photoresist from printed wiring boards or semiconductor wafers while preventing corrosion of tin plating and tin alloy plating, in addition to copper wiring. The composition is characterized by its specific components, including alkanolamine, quaternary ammonium hydroxide, sugar alcohol, polar organic solvent, and water, with precise mass percentages for each component.
Another significant patent involves an etchant and method for manufacturing semiconductor devices. This etchant is designed for the selective etching of copper without affecting nickel, which is crucial for the redistribution of semiconductor substrates. The etchant contains hydrogen peroxide and citric acid, with specific mass percentages and molar ratios that optimize its effectiveness.
Career Highlights
Throughout his career, Kensuke Ohmae has worked with prominent companies such as Mitsubishi Gas Chemical Company, Inc. and Mitsubishi Gas Chemical Trading, Inc. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and contribute to various innovative projects.
Collaborations
Ohmae has collaborated with notable colleagues, including Akira Hosomi and Yukihide Naito. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Kensuke Ohmae's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to shape the future of semiconductor manufacturing processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile