Location History:
- Chiba, JP (2001)
- Ichihara, JP (2004 - 2009)
- Sodegaura, JP (2012)
Company Filing History:
3 out of 555 
3 out of 51 
1 out of 2,272 
Years Active: 2001-2012
Title: Innovations by Tomoyuki Obara: A Pioneer in Injection Molding Technology
Introduction
Tomoyuki Obara, located in Ichihara, Japan, is an accomplished inventor with a total of eight patents to his name. His contributions to the field of injection molding have positioned him as a noteworthy figure in the industry, particularly for his innovative approaches to die design and resin molding techniques.
Latest Patents
Among his recent patents is a cutting-edge injection molding metal mold and shaped article. This invention features a unique injection-molding die comprising a fixed die and a movable die, which together define a cavity. A significant aspect of this design is the gate that injects a melt resin into the cavity. Notably, the cavity includes a flow-dividing structure that effectively splits the flow of the melt resin into multiple resin flows. Furthermore, the flow-advancing area is strategically thickened compared to a flow-hesitating area, enhancing the efficiency of the molding process.
Another remarkable patent involves a molding method that focuses on the precise charging of a resin composition. This method includes using a molten state resin composition that contains a balance of fibrous fiber and resin, optimized for various temperatures depending on the crystalline nature of the resin. This procedural innovation allows for effective cooling and shaping, resulting in high-quality molded products.
Career Highlights
Tomoyuki’s professional journey includes significant roles at reputable companies such as Idemitsu Petrochemical Co., Ltd. and Prime Polymer Co., Ltd. His experiences at these organizations have enriched his expertise in material science and molding technologies, paving the way for his groundbreaking inventions.
Collaborations
Throughout his career, Tomoyuki has collaborated with esteemed colleagues, including Katsuhiko Tada and Minoru Sugawara. These partnerships have contributed to the collective advancements in injection molding and have helped foster a creative environment for innovation.
Conclusion
Tomoyuki Obara stands out as an influential inventor in the realm of injection molding technology. His innovative patents and collaborative efforts illustrate not only his technical proficiency but also his dedication to improving manufacturing processes. As he continues to advance the field, his work will undoubtedly inspire future innovations within the industry.