Location History:
- Chuo-ku, JP (1998 - 1999)
- Osaka, JP (1989 - 2021)
Company Filing History:
20 out of 1,344 
10 out of 6,064 
6 out of 1,131 
Years Active: 1989-2021
Title: The Innovations of Eiichi Miyamoto: A Pioneer in Electrophotography
Introduction: Eiichi Miyamoto, residing in Osaka, Japan, is an esteemed inventor recognized for his contributions to the field of electrophotography. With an impressive total of 36 patents, Miyamoto has been instrumental in advancing printing technology, particularly through his innovative developments in photosensitive materials.
Latest Patents: Among his latest inventions are patents pertaining to electrophotographic photosensitive members, process cartridges, and image forming apparatuses. His work on the electrophotographic photosensitive member is particularly notable, as it features a conductive substrate coupled with a unique single-layer photosensitive layer. This layer integrates essential components, such as a charge generating material, a hole transport material, an electron transport material, and a binder resin. Notably, his formulations utilize a metal-free phthalocyanine as the charge generating material and encompass complex derivatives of triphenylamine and quinone for the transport processes. Specific measurements reveal that the hole mobility exceeds 1.00 x 10 cm/V/second, while the electron mobility is at least 4.00 x 10 cm/V/second, demonstrating significant performance metrics for the photosensitive layer.
Career Highlights: Miyamoto has built a robust career in the technology sector, contributing to notable companies such as Mita Industrial Co., Ltd. and Kyocera Document Solutions Inc. Through his tenure at these organizations, he has played a pivotal role in enhancing the capabilities and efficiencies of electrophotographic processes, thereby influencing the industry's shift towards more effective imaging solutions.
Collaborations: Throughout his career, Miyamoto has collaborated with distinguished colleagues, including Hiroki Tsurumi and Yasufumi Mizuta. Together, they have pooled their knowledge and expertise to tackle complex challenges in developing innovative technologies that push the boundaries of electrophotography.
Conclusion: Eiichi Miyamoto stands out as a significant figure in the realm of print technology, with a prolific portfolio evidenced by his 36 patents. His relentless pursuit of innovation, especially in the design of photosensitive materials, exemplifies the importance of creativity and collaboration in advancing industrial standards. As technology continues to evolve, Miyamoto’s contributions will undoubtedly leave a lasting impact on the future of electrophotography.
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.