Location History:
- Ageo, JP (2004)
- Hino, JP (1991 - 2007)
Company Filing History:
2 out of 817 
1 out of 2 
1 out of 832,891 Years Active: 1991-2007
Title: The Innovative Contributions of Masahito Ishii
Introduction
Masahito Ishii, a prolific inventor based in Hino, Japan, has made significant contributions to the field of electronics and materials. With a total of three patents to his name, Ishii's work showcases his expertise and dedication to advancing technology, particularly in the development of printed wiring boards and related materials.
Latest Patents
Ishii's latest innovations include a groundbreaking process for producing a collapsed filled via hole. This process involves the creation of a printed wiring board-forming sheet consisting of a resin sheet with a through hole and a metal chip. The innovative method allows the electrical connection between the front and back surfaces of the sheet, facilitating efficient multilayer board production by leveraging the protrusion of conductive metal chips.
Another notable patent is for a 2-metal layer TAB tape and a both-sided CSP & BGA tape. This invention features an insulating substrate equipped with wiring layers on both sides and through-holes that are filled with conductive material. The design includes round pilot holes between sprocket holes, enhancing the electrical connection between the layers and showcasing Ishii's ingenuity in improving manufacturing processes.
Career Highlights
Ishii has worked with several reputable companies throughout his career, including Mitsui Mining & Smelting Company, Ltd. and Suzuki Co., Ltd. His experience in these organizations highlights his role in advancing innovative technologies in the electronics industry.
Collaborations
Throughout his career, Masahito Ishii has collaborated with notable professionals, including Tatsuo Kataoka and Akira Ichiryu. These collaborations reflect his ability to work effectively in team settings, contributing to the success of various projects and fostering advancements in technology.
Conclusion
Masahito Ishii's contributions to the field of electronics and his innovative patents exemplify his commitment to improving manufacturing processes and advancing technology. His work not only benefits the companies he has been associated with but also sets a foundation for future advancements in the industry. As the landscape of technology continues to evolve, inventors like Ishii play a crucial role in shaping the future.