Location History:
- Numazu, JP (1997 - 2011)
- Shizuoka, JP (2018 - 2024)
Company Filing History:
Years Active: 1997-2025
Title: Tohru Suganuma: Innovator in Electrophotographic Technology
Introduction
Tohru Suganuma is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 15 patents. His work has been instrumental in advancing the methods and apparatus used in this area.
Latest Patents
Suganuma's latest patents include innovations such as a carrier for forming electrophotographic images, a developer for forming electrophotographic images, an electrophotographic image forming method, an electrophotographic image forming apparatus, and a process cartridge. One of his notable inventions is a carrier that comprises a core particle and a coating layer. This coating layer contains chargeable particles and a dispersant, achieving an apparent density of between 2.0 g/cm³ and less than 2.5 g/cm³. Another significant patent involves a carrier that includes a conductive component and a coating resin, where specific elements are undetected by energy dispersive X-ray spectrometry, ensuring precise functionality in electrophotographic applications.
Career Highlights
Throughout his career, Suganuma has worked with reputable companies such as Ricoh Company, Ltd. and Ricoh Technology Research, Inc. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to the advancement of electrophotographic systems.
Collaborations
Suganuma has collaborated with notable colleagues, including Masashi Nagayama and Hiroyuki Kishida. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Tohru Suganuma's contributions to electrophotographic technology through his numerous patents highlight his role as a key innovator in the industry. His work continues to influence advancements in imaging technology, showcasing the importance of innovation in this field.