Location History:
- Hiratsuka, JP (2009 - 2014)
- Kanagawa, JP (2019 - 2022)
Company Filing History:
4 out of 2,245 
3 out of 52 
2 out of 139 
Years Active: 2009-2022
Title: **Haruhiko Kurokawa: Innovator and Inventor in Flame-retardant Polycarbonate Resins**
Introduction
Haruhiko Kurokawa, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of materials science, particularly in the development of flame-retardant polycarbonate resins. With a portfolio of five patents, Kurokawa’s work is essential to advancing safety and functionality in various applications.
Latest Patents
Kurokawa's latest innovations include two notable patents centered around a flame-retardant polycarbonate resin composition, sheet, and film. The first patent details a polycarbonate resin composition that includes a polycarbonate resin (A), a flame retardant (B), and a fluoropolymer (C). This innovative composition is characterized by its fluidity, with measurements indicating a flow rate of 0.1×10 cm/sec or greater under specified conditions. Additionally, the invention provides methods for producing sheets and films from this composition.
The second patent elaborates on a similar polycarbonate resin composition with specific mass percentages: 73 to 94.5% polycarbonate resin (A), 5 to 25% phosphorus-based flame retardant (B), and 0.1 to 2% fluoropolymer (C). This composition is notable for exhibiting a flow value of 1×0.01 to 10×0.01 cm/sec at 280°C, showcasing its utility for producing advanced sheets and films.
Career Highlights
Throughout his career, Kurokawa has held positions in renowned companies such as Mitsubishi Gas Chemical Company, Inc. and MGC Filsheet Co., Ltd., where he has driven innovations in polymer materials and contributed to numerous projects that merge safety with performance.
Collaborations
Kurokawa has collaborated with notable peers in his field, including Atsuhiro Tokita and Hiroki Ishii. These partnerships have allowed for a robust exchange of ideas and expertise, further enriching the innovative landscape of flame-retardant materials.
Conclusion
Haruhiko Kurokawa's contributions to the development of flame-retardant polycarbonate resins exemplify his dedication to innovation and safety in materials science. His patents not only reflect advanced technology but also underscore the importance of collaboration in fostering progress within the industry. As he continues his work, Kurokawa remains a pivotal figure in the realm of inventions that prioritize both functionality and safety.
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.