Location History:
- Yokohama-shi, Kanagawa-ken JP (1995)
- Tsukuba-shi, Ibaraki-ken, JP (2004)
- Yokohama, JP (1978 - 2009)
- Tsukuba, JP (1999 - 2014)
Company Filing History:
19 out of 42,485 
8 out of 1,641 
1 out of 2 
Years Active: 1978-2014
Title: Innovative Contributions of Fumio Inoue
Introduction
Fumio Inoue is a prominent inventor based in Yokohama, Japan. With an impressive portfolio comprising 31 patents, he has made significant contributions to the field of materials engineering and surface treatment technologies. His work has been instrumental in enhancing the performance and reliability of electrical components, notably in the semiconductor industry.
Latest Patents
Among Fumio Inoue's latest patents is a method for surface treatment of copper, designed to maintain a strong bond between copper surfaces and various materials, such as resist and insulating resins. This innovative method focuses on preventing the formation of surface irregularities exceeding 1μm in size. The process includes three crucial steps: the formation of a nobler metal on the copper surface, oxidation to produce copper oxide, and the subsequent removal of the copper oxide to create a tailored surface texture.
Another noteworthy patent details a manufacturing method for multi-layer wiring boards, which involves preparing connection boards with insulating resin layers and interconnected conductors. This method ensures efficient heat and pressure lamination of aligned connection boards, facilitating conductivity and mechanical stability. Both of these innovations highlight Inoue's expertise in optimizing electronic component manufacturing.
Career Highlights
Fumio Inoue has worked for leading companies, including Hitachi, Ltd., and Hitachi Chemical Company, Ltd., where he has honed his skills and deepened his understanding of material science. His extensive experience in these high-tech environments has greatly influenced his inventive contributions.
Collaborations
Throughout his career, Inoue has collaborated with notable professionals, including Yoshiaki Tsubomatsu and Toshio Yamazaki. These partnerships have allowed him to blend ideas and techniques, resulting in advanced solutions in the field of materials and semiconductor applications.
Conclusion
Fumio Inoue's innovative approach to surface treatment and wiring board manufacturing exemplifies his commitment to advancing technology in the semiconductor industry. His patents not only reflect his technical acumen but also pave the way for future developments that enhance the performance of electronic devices.
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.