Location History:
- Oita, JP (1987)
- Ooizumi-machi, JP (1996)
- Nishisonogi-gun, JP (2013)
- Mishima, JP (2012 - 2017)
- Suntou-gun, JP (2019 - 2022)
- Shizuoka, JP (1991 - 2024)
Company Filing History:
27 out of 90,594 
2 out of 42 
2 out of 5,993 
Years Active: 1987-2025
Title: Hiroyuki Watanabe: A Pioneer in Electrophotographic Technology
Introduction: Hiroyuki Watanabe, a notable inventor based in Suntou-gun, Japan, has made significant contributions to the field of electrophotographic technology. With a remarkable portfolio comprising 28 patents, Watanabe continues to innovate and enhance the functionality of electrophotographic devices.
Latest Patents: Among his latest inventions, Watanabe developed an electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus designed to optimize performance. His electrophotographic photosensitive member features a support with a photosensitive layer containing particles. This unique configuration involves particles partially exposed from the surface layer, which possesses a volume average particle diameter ranging from 50.0 nm to 350.0 nm. He has specified that in a cross-section of the surface layer, 80% or more of the particles are partially exposed, and that their exposed volume reaches between 30% to 80% of the total volume of particles. This attention to detail enhances the transferability of the electrophotographic photosensitive member, promising improvements in image quality and efficiency.
Career Highlights: Watanabe has held positions at esteemed companies such as Canon and Asahi Medical Co., Ltd. His tenure at these organizations has enabled him to refine his skills and contribute to advancements in electrophotographic technologies. His dedication and expertise in the field have positioned him as a key figure in this innovative sector.
Collaborations: Throughout his career, Watanabe has collaborated with talented individuals such as Nobuhiro Nakamura and Yuka Ishiduka. These partnerships have fostered a collaborative atmosphere that encourages innovation and the sharing of pioneering ideas.
Conclusion: Hiroyuki Watanabe stands out as a leading inventor in electrophotographic technology, evidenced by his extensive patent portfolio and groundbreaking advancements in the field. His work not only exemplifies innovation but also significantly impacts the efficiency of electrophotographic devices, making Watanabe a prominent figure in modern technology.
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.