Location History:
- Taito-ku, JP (2011 - 2013)
- Tokyo, JP (2011 - 2023)
Company Filing History:
7 out of 1,268 
4 out of 25,560 
1 out of 1,715 
Years Active: 2011-2025
Title: Inventor Koji Sakairi: Innovations in Molded Pulp and Tape Materials
Introduction
Koji Sakairi, based in Tokyo, Japan, is a distinguished inventor known for his significant contributions to materials science and engineering. With a total of eight patents to his name, Sakairi's work focuses on enhancing the efficiency and sustainability of various materials and processes.
Latest Patents
Among his recent innovations, Sakairi has developed a molded pulp article and an efficient method for producing it. This molded pulp article boasts high strength and a rapid drying process during production. Notably, it contains a specific range of fibers, with 15% to 35% having a length of 1 mm or less, while the average fiber length remains between 1.5 mm and 2.5 mm. Additionally, the article features a nitrogen content ranging from 200 μg/g to 1800 μg/g, with a thickness varying from 0.8 mm to 2.0 mm. Another of his noteworthy patents is a support film designed for tape materials. This innovation consists of a film-shaped support made from polyurethane, combined with a barrier layer that incorporates aromatic isocyanate-based polyurethane and a layered inorganic compound, forming a protective surface.
Career Highlights
Sakairi has made notable impacts in the corporate sector, working with prestigious companies such as Toppan Printing Co., Ltd. and Sharp Corporation. His experiences in these organizations have facilitated his inventive pursuits, leading to advancements in material durability and production methods.
Collaborations
Throughout his career, Sakairi has had the opportunity to collaborate with esteemed professionals, including Yuji Maruo and Kenji Yokoyama. These partnerships have allowed for fruitful exchanges of ideas, enabling him to refine his inventions further.
Conclusion
In summary, Koji Sakairi stands out as an influential figure in the field of material innovation. His dedication to improving production efficiency and sustainability through his patents exemplifies the spirit of creativity and advancement in technology. His inventions not only contribute to the industry but also pave the way for future innovations in molded pulp and tape materials.