Company Filing History:
4 out of 1,131 
3 out of 6,064 
Years Active: 2008-2025
Title: The Innovations of Makoto Shishido
Introduction
Makoto Shishido is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of electrophotography, holding a total of 7 patents. His work focuses on the development of photosensitive members and related technologies that enhance image forming apparatuses.
Latest Patents
Shishido's latest patents include innovations such as an electrophotographic photosensitive member and a process cartridge. One of his notable inventions features a single-layer photosensitive layer that contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. The binder resin is specifically a polyarylate resin, which includes repeating units represented by various formulas. The composition of these units is carefully balanced, with the percentage of one specific repeating unit being greater than 0% and less than 20%. Another significant patent involves a positively chargeable single-layer electrophotographic photosensitive member that comprises a conductive substrate and a photosensitive layer. This layer contains essential materials, including a charge generating material and a benzidine derivative as the hole transport material.
Career Highlights
Throughout his career, Makoto Shishido has worked with notable companies such as Kyocera Mita Corporation and Kyocera Document Solutions Inc. His experience in these organizations has allowed him to refine his expertise in the field of electrophotography and contribute to various technological advancements.
Collaborations
Shishido has collaborated with talented individuals in his field, including Shiho Okawa and Tomofumi Shimizu. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Makoto Shishido's contributions to the field of electrophotography are noteworthy, with a focus on enhancing photosensitive materials and image forming technologies. His innovative patents and collaborations reflect his commitment to advancing this important area of 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.