Company Filing History:
12 out of 1,131 
9 out of 6,064 
4 out of 1,344 Years Active: 1999-2025
Title: The Innovative Contributions of Kazunari Hamasaki
Introduction
Kazunari Hamasaki, located in Osaka, Japan, is an esteemed inventor recognized for his significant contributions to the field of electrophotographic technology. With a remarkable portfolio of 24 patents, he has made profound advancements that have significantly impacted the industry.
Latest Patents
Hamasaki's latest patents focus on the development of electrophotographic photosensitive members, process cartridges, and image forming apparatuses. One notable innovation describes an electrophotographic photosensitive member that incorporates a conductive substrate and a photosensitive layer composed of a charge generating material, hole transport material, electron transport material, and binder resin. Additionally, the hole transport material includes specific compounds and an n-type pigment, enhancing the performance of the photosensitive layer.
Another patent outlines a single-layer photosensitive member with distinct characteristics. This member possesses an optical response time between 0.05 milliseconds and 0.85 milliseconds, indicating its rapid reaction to pulse light, highlighting its efficiency in terms of surface potential decay. Furthermore, the photosensitive layer achieves a Martens hardness of at least 160 N/mm at 50°C, showcasing its durability and resilience in practical applications.
Career Highlights
Kazunari Hamasaki has had an illustrious career, working with prominent companies in the tech industry, including Kyocera Mita Corporation and Kyocera Document Solutions Inc. His work in these organizations has encouraged innovation and the development of advanced technologies in imaging solutions.
Collaborations
Throughout his career, Hamasaki has collaborated with talented individuals such as Daisuke Kuboshima and Yuko Iwashita. These partnerships have fostered creative problem-solving and innovative approaches to complex engineering challenges, adding to the success of their collective ventures.
Conclusion
Kazunari Hamasaki's contributions to electrophotographic technology through his 24 patents are a testament to his inventiveness and expertise. His work not only reflects his dedication to innovation but also enhances the technological landscape, paving the way for future advancements in the industry.
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.