Company Filing History:
3 out of 191 
2 out of 105 
2 out of 83 Years Active: 2006-2025
Title: Naoki Hamada: Innovator in Plastic Coloration Technology
Introduction
Naoki Hamada is an accomplished inventor based in Tokyo, Japan, renowned for his contributions to the field of plastic coloration technology. With four patents to his name, he has significantly advanced the methods of coloring plastic and ensuring the integrity of its properties.
Latest Patents
Hamada's latest patents focus on innovations in colorants for plastic. One notable patent describes a colorant containing a halogenated phthalocyanine pigment designed to maintain the mechanical and chemical properties of the resin. This colorant satisfies strict conditions, such as having the average number of halogen substitutions between 2.0 and 7.0, which leads to remarkable results in producing plastic molded articles that exhibit minimal migration, low discoloration due to heat, and no warping or distortion.
Another important patent outlines a method for producing halogenated organic pigments. This inventive method utilizes N-haloimide compounds for halogenation, significantly improving safety and productivity by avoiding highly toxic raw materials and limiting the generation of unfavorable by-products.
Career Highlights
Naoki Hamada has been associated with notable companies such as Toyo Ink Manufacturing Co., Ltd. and Toyo Ink SC Holdings Co., Ltd. His work in these organizations has enabled him to explore and implement innovative solutions in the field of pigment and plastic coloration, establishing himself as a key player in the industry.
Collaborations
Throughout his career, Hamada has collaborated with talented individuals, including Noriyoshi Takahata and Akimitsu Mochizuki. Their joint efforts have led to the development of various technologies and methodologies that enhance the quality and effectiveness of plastic colorants.
Conclusion
In conclusion, Naoki Hamada's contributions to plastic coloration innovation reflect his dedication to enhancing material properties while ensuring safety and efficiency. With his patented technologies, he continues to pave the way for advancements in plastic manufacturing, solidifying his legacy as an influential inventor in the realm of plastics.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.