Location History:
- Mishima, JP (2008 - 2022)
- Shizuoka, JP (2005 - 2024)
- Tokyo, JP (2024)
Company Filing History:
Years Active: 2005-2024
Title: The Innovative Contributions of Yasuhiro Hashimoto
Introduction
Yasuhiro Hashimoto is a prominent inventor based in Mishima, Japan, known for his significant contributions to the field of toner technology. With an impressive portfolio of 26 patents, he has made notable advancements in the materials used for toner particles, enhancing their performance and application.
Latest Patents
Hashimoto's latest patents are particularly noteworthy. One of his patents describes a toner that comprises a toner particle consisting of a core particle with a binder resin and a shell layer made of a thermoplastic resin. This innovative toner also includes organosilicon polymer particles on the toner particle’s surface. The patent specifies that the peak top molecular weight of the thermoplastic resin is between 30,000 and 500,000, and the primary particle diameter of the organosilicon polymer particles ranges from 10 nm to 500 nm. Additionally, it outlines that the absolute value of the difference between the SP values of the organosilicon polymer particles and the thermoplastic resin in the shell layer must not exceed 2.30.
Another recent patent also focuses on toner technology, detailing a toner particle composed of a binder resin alongside organosilicon polymer particles. In this patent, the binder resin is made from an amorphous resin and a crystalline polyester resin, with specified conditions for the SP values. The patent further details that the amount of adsorbed water in the organosilicon polymer particles must not exceed 20 mg/g at a temperature of 30°C and a humidity of 80% RH.
Career Highlights
Yasuhiro Hashimoto is affiliated with Canon Kabushiki Kaisha, a leading global company in imaging technologies. His role has allowed him to push the boundaries of toner development and application, contributing to Canon's reputation for quality and innovation in printing solutions.
Collaborations
Throughout his career, Hashimoto has collaborated with talented colleagues, including Yuhei Terui and Koji Abe. Their combined efforts have fostered an environment of creativity and technical exploration, leading to the successful development of advanced toner products.
Conclusion
In summary, Yasuhiro Hashimoto's work has significantly impacted the field of toner technology, evidenced by his numerous patents. His innovative approaches and collaborations within Canon Kabushiki Kaisha continue to drive forward advancements in printing technology, showcasing the importance of inventors in enhancing industrial performance and product efficacy.
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.