Location History:
- Chiba, JP (1993 - 1995)
- Tokyo, JP (2001)
Company Filing History:
2 out of 14 
1 out of 1 
3 out of 832,880 Years Active: 1993-2001
Title: Toshimasa Hirasawa: Innovator in Plant Growth and Roof Structures
Introduction
Toshimasa Hirasawa is a notable inventor based in Chiba, Japan. He has made significant contributions to the fields of plant growth and architectural structures. With a total of 4 patents to his name, Hirasawa's work reflects a commitment to innovation and practicality.
Latest Patents
Hirasawa's latest patents include a variety of inventions aimed at enhancing plant growth and improving roof structures. One of his key inventions is a plant growth sheet structure, which consists of a base web layer and a core layer that are integrally coupled. This structure is designed to support plant growth by incorporating features such as plant protection projections. Additionally, he has developed a natural turf sheet structure that utilizes this plant growth sheet for cultivating natural turf. His turf growing method involves a semi-artificial turf sheet structure that combines both artificial and natural turf portions, allowing for hydroponics on concrete surfaces. Another significant invention is an openable roof construction, which features two pairs of half dome roofs that can be opened or closed to manage an aperture in the center of a set roof.
Career Highlights
Throughout his career, Hirasawa has worked with various companies, including Maeda Corporation Limited. His innovative designs and patents have contributed to advancements in both agricultural and architectural fields.
Collaborations
Hirasawa has collaborated with notable individuals such as Akira Taga and Mamoru Kawaguchi, further enhancing the impact of his inventions.
Conclusion
Toshimasa Hirasawa's contributions to innovation in plant growth and roof structures demonstrate his expertise and creativity. His patents reflect a deep understanding of both nature and engineering, making him a significant figure in his field.