Location History:
- Ootsu, JP (1987)
- Tsuruga, JP (1995 - 1997)
- Otsu, JP (1999)
- Ohtsu, JP (1998 - 2000)
Company Filing History:
7 out of 789 
1 out of 2 Years Active: 1987-2000
Title: Shigeji Konagaya: Innovator in Conductive and Antibacterial Technologies
Introduction
Shigeji Konagaya is a notable inventor based in Ohtsu, Japan. He has made significant contributions to the fields of conductive materials and antibacterial technologies. With a total of 7 patents to his name, his work has had a considerable impact on various industries.
Latest Patents
One of his latest inventions is a conductive laminate that comprises an inorganic or organic substrate and a conductive layer formed on at least a part of the surface of the substrate. This conductive layer exhibits a surface resistance at 25°C, under a 15% RH atmosphere, ranging from 10^6 to 10^12 Ω/□. It also features a charge attenuation time of not more than 2 seconds and a variation in surface resistance after heating at 250°C for one minute of not more than 5.0. This invention provides an economical conductive laminate with antistatic performance even under low humidity, effectively addressing issues caused by static electricity while offering superior heat resistance and transparency.
Another significant patent is for an antibacterial composition and antibacterial laminate. This invention utilizes a combination of inorganic and/or organic antibacterial agents with a hydrophilic substance, markedly increasing the intrinsic antibacterial activity of the agents. Even at low concentrations, the antibacterial agents demonstrate high effectiveness. The antibacterial composition can be laminated onto inorganic or organic substrates, resulting in high antibacterial moldings at a relatively low cost.
Career Highlights
Throughout his career, Shigeji Konagaya has worked with prominent companies such as Toyo Boseki Kabushiki Kaisha and Nippon Magphane Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in material science.
Collaborations
Shigeji has collaborated with notable individuals in his field, including Hideto Ohashi and Masahiro Seko. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Shigeji Konagaya's contributions to conductive and antibacterial technologies highlight his role as an influential inventor. His innovative patents continue to address critical challenges in various industries, showcasing the importance of his work in advancing material science.