Company Filing History:
2 out of 555 
1 out of 832,891 Years Active: 1998-2003
Title: Hirofumi Gouda: Innovator in Lightweight Resin Molding
Introduction
Hirofumi Gouda is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of resin molding, holding a total of 3 patents. His innovative approaches have led to advancements in lightweight materials and manufacturing processes.
Latest Patents
One of his latest patents is for a lightweight resin molded product and its production method. This invention utilizes a mold equipped with a rib-forming member that can move relative to the mold cavity. The result is a lightweight, hollow resin molding with a reinforcing rib structure, made from a fiber-containing thermoplastic resin. This resin has a fiber content ranging from 10 to 70% by weight. The production process involves injecting a melt of the resin into the mold cavity, followed by the introduction of gas into the resin melt, allowing for controlled weight reduction and enhanced strength. This molding has diverse applications across various fields.
Another significant patent is a method for injection-molding a propeller fan. This method employs both fixed and movable mold sections, incorporating a movable core to shape the thicker portions of the fan blades. After injecting a predetermined amount of plastic material, the movable core is pushed out into the mold cavity, allowing for the formation of a properly shaped fan.
Career Highlights
Hirofumi Gouda has worked with Idemitsu Petrochemical Co., Ltd., where he has applied his expertise in resin technologies. His work has contributed to the development of innovative products that meet industry demands.
Collaborations
Throughout his career, he has collaborated with notable professionals such as Manabu Nomura and Toru Shima. These collaborations have fostered a creative environment that has led to the successful development of his patented technologies.
Conclusion
Hirofumi Gouda's contributions to the field of resin molding demonstrate his innovative spirit and commitment to advancing technology. His patents reflect a deep understanding of materials and manufacturing processes, paving the way for future developments in the industry.