Company Filing History:
5 out of 27,375 
3 out of 655 
Years Active: 2001-2005
Title: Masashi Hamanaka: Innovator in Wiring Structures
Introduction
Masashi Hamanaka is a notable inventor based in Nara, Japan. He has made significant contributions to the field of wiring structures, holding a total of 8 patents. His innovative methods have advanced the technology used in various electronic applications.
Latest Patents
Hamanaka's latest patents include a method for forming wiring structures. In this method, a plurality of grooves is formed in an insulating film and in an anti-reflection film on the insulating film. A barrier metal film and a conductive film are then deposited on the anti-reflection film, ensuring that each of the grooves is filled. Afterward, the portions of the conductive film outside the grooves are removed by polishing, followed by the removal of the portions of the barrier metal film outside the grooves. Finally, any foreign matters adhered to the polishing pad and the surface to be polished are removed, and the surface of the anti-reflection film is polished. Another patent describes a similar method, where grooves are formed in an insulating film, and a barrier metal film and a conductive film are deposited successively to fill the grooves completely. The subsequent steps involve polishing and removing foreign matter, ensuring a refined surface.
Career Highlights
Throughout his career, Masashi Hamanaka has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Matsushita Electronics Corporation. His experience in these organizations has contributed to his expertise in the field of electronics and wiring structures.
Collaborations
Hamanaka has collaborated with notable coworkers, including Hideaki Yoshida and Tetsuya Ueda. Their combined efforts have likely fostered innovation and development in their projects.
Conclusion
Masashi Hamanaka's contributions to wiring structures through his patents and career experiences highlight his role as an influential inventor in the electronics industry. His innovative methods continue to impact the field positively.
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.