Location History:
- Gyoda, JP (1983)
- Kawasaki, JP (1997)
- Nagano, JP (1999)
- Kanagawa, JP (1985 - 2004)
Company Filing History:
8 out of 4,804 
1 out of 15 Years Active: 1983-2004
Title: Shigemasa Saito: Innovator in Printed Wiring Boards and Semiconductor Technology
Introduction
Shigemasa Saito is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the fields of printed wiring boards and semiconductor technology. With a total of 8 patents, Saito's work has had a lasting impact on the electronics industry.
Latest Patents
One of Saito's latest patents is for a multilayered printed wiring board. This innovative design features a fire retardant multilayered printed wiring board without halogen compounds. It enhances thermal conductivity of insulator layers to prevent damage to electronic components during soldering. The insulator layers are made from glass cloth impregnated with an epoxy resin composition. The epoxy resin composition includes various inorganic components, ensuring the board's durability and efficiency.
Another notable patent is for an insulation substrate used in semiconductor devices. This Ceramic Bonding Copper (CBC) substrate includes a ceramic plate with foil-shaped copper plates bonded by the direct copper bonding method. The ceramic plate is fabricated by sintering an alumina powder compact containing zirconia and several additives. This innovation improves the flexural strength and thermal conductivity of the alumina ceramic plate, allowing for a reduction in thickness and enhancing the heat radiation capability of semiconductor devices.
Career Highlights
Saito has worked with several reputable companies throughout his career, including Fuji Electric Co., Ltd. and Sumitomo Metal Ceramics Inc. His experience in these organizations has contributed to his expertise in developing advanced electronic materials and technologies.
Collaborations
Some of Saito's notable coworkers include Masaharu Nishiura and Akira Morozumi. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.
Conclusion
Shigemasa Saito's contributions to the fields of printed wiring boards and semiconductor technology demonstrate his commitment to innovation. His patents reflect a deep understanding of materials and engineering principles, making him a valuable figure in the electronics 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.