This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignees: Rp Topla Limited, Nhk Spring Co., Ltd.. Active years: 2012-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
5 out of 8 
1 out of 1,234 Years Active: 2012-2014
Title: Innovations of Tomoyoshi Sakamoto
Introduction
Tomoyoshi Sakamoto is a notable inventor based in Ota, Japan. He has made significant contributions to the field of molding technology, holding a total of 5 patents. His work focuses on innovative methods for manufacturing hollow bodies and pipes, showcasing his expertise in the application of molten resin.
Latest Patents
Sakamoto's latest patents include a hollow body molding device and a method for manufacturing pipes with branches. The hollow body molding device features a unique design where molten resin is injected into a main cavity. After the injection, a fluid is pressure-injected through a pressure port, allowing a floating core to move towards the outlet side. This process enables the simultaneous extrusion of molten resin from the outlet, resulting in the formation of a hollow molded body. The device also includes a floating core storage portion and an auxiliary cavity for efficient operation.
The method of manufacturing a pipe with a branch involves injecting molten resin into a main cavity equipped with a pressure port and a floating core. After the resin injection, a pressurized fluid is used to move the floating core, extruding the molten resin to create a main pipe hollow. The process allows for the opening of a second outlet to form a branch pipe hollow, demonstrating Sakamoto's innovative approach to pipe manufacturing.
Career Highlights
Throughout his career, Tomoyoshi Sakamoto has worked with several companies, including Rp Topla Limited and NHK Spring Co., Ltd. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his techniques in molding technology.
Collaborations
Sakamoto has collaborated with notable individuals in his field, including Minoru Ojiro and Hiroki Katagiri. These partnerships have likely enhanced his innovative capabilities and contributed to the success of his inventions.
Conclusion
Tomoyoshi Sakamoto's contributions to the field of molding technology are significant, with his innovative patents paving the way for advancements in manufacturing processes. His work continues to influence the industry, showcasing the importance of creativity and collaboration in the realm of inventions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile