Company Filing History:
Years Active: 1989
Title: **Hatsuyuki Tanka: Innovator in Photoresist Development**
Introduction
Hatsuyuki Tanka is a notable inventor residing in Samukawa, Japan. With a passion for innovation in the field of photoresist compositions, he has contributed significantly to the advancement of this technology. His work is particularly recognized for its application in various electronic manufacturing processes.
Latest Patents
Tanka holds a patent for a developer solution tailored for positive-working photoresist compositions. The aqueous developer solution is comprised of a water-soluble organic basic compound and a specific non-ionic surface active agent, which is an alkyl-substituted phenyl or naphthyl ether of polyoxyethyleneglycol in a specified concentration. This innovative solution enhances the removal of film residues and scums from the substrate surface post-development, thus ensuring a high degree of accuracy and fidelity in the reproduction of patterned photoresist layers.
Career Highlights
Hatsuyuki Tanka has made significant strides in his career at Tokyo Ohka Kogyo Co., Ltd. Here, he contributes to the advancement of materials utilized in the manufacturing process of semiconductors and other electronic devices. His expertise in photoresist technology has played a crucial role in elevating the standards of quality in the industry.
Collaborations
Throughout his career, Tanka has worked alongside talented coworkers, including Yoshiyuki Sato and Hidekatsu Kohara. Their collaborative efforts have fostered a creative environment that encourages innovation and has led to the successful development of advanced photoresist solutions.
Conclusion
Hatsuyuki Tanka's contributions to the field of photoresist compositions underscore the importance of innovation in technology and manufacturing. His patent, along with his collaborative work at Tokyo Ohka Kogyo Co., Ltd., reflects a commitment to enhancing the precision and reliability of electronic manufacturing processes. As technology continues to evolve, Tanka's advancements stand as a testament to the vital role inventors play in shaping the future of the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.