Company Filing History:
2 out of 107 
1 out of 33 Years Active: 2008-2011
Title: Hiroyuki Sadakuni: Innovator in Molding Technology and Automotive Solutions
Introduction
Hiroyuki Sadakuni is a notable inventor based in Wako, Japan. He has made significant contributions to the fields of molding technology and automotive materials. With a total of 2 patents to his name, Sadakuni's work reflects a commitment to innovation and practical solutions.
Latest Patents
Sadakuni's latest patents include a method of manufacturing a molding die and a foam sheet for car interior members. The method of manufacturing a molding die aims to prevent issues such as the breakage of a sand mold during the extraction of a master mold. This innovative approach involves fixing a meshed member to the molding surface of the master mold, allowing for the creation of a sand mold that accurately transfers patterns. The meshed member is composed of a flexible synthetic resin sheet with numerous mesh openings.
The second patent focuses on a foam sheet designed for car interior members. This foam sheet is capable of being molded into various shapes while maintaining excellent sound absorbency. It consists of a modified polyphenylene ether-based resin foam sheet with an open cell ratio of 50% or more. The design allows for effective sound vibration energy conversion, enhancing the acoustic properties of automotive interiors.
Career Highlights
Throughout his career, Hiroyuki Sadakuni has worked with prominent companies such as Sekisui Plastics Co., Ltd. and Hayashi Telempu Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative materials and manufacturing processes.
Collaborations
Sadakuni has collaborated with notable coworkers, including Katsumi Yamaguchi and Hiroyuki Ueno. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Hiroyuki Sadakuni's contributions to molding technology and automotive materials demonstrate his innovative spirit and dedication to improving industry standards. His patents reflect a deep understanding of material properties and manufacturing techniques, making him a valuable figure in his field.