This inventor holds 10 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Dupont-Mitsui Fluorochemicals Company, Ltd.. Active years: 2013-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shizuoka-ken, JP (2013)
- Tokyo, JP (2014)
- Shizuoka, JP (2017)
- Mishima Shizuoka, JP (2017 - 2018)
Company Filing History:
9 out of 6,289 
8 out of 53,250 
1 out of 37 
Years Active: 2013-2018
Title: Innovations of Junichi Ishikawa
Introduction
Junichi Ishikawa is a prominent inventor based in Mishima, Shizuoka, Japan. He has made significant contributions to the field of electrophotography, particularly in the development of toner particles and related technologies. With a total of 10 patents to his name, Ishikawa's work has had a substantial impact on the industry.
Latest Patents
Ishikawa's latest patents include innovations such as toner particles, electrophotographic toners, developing agents, toner cartridges, and image forming apparatuses. One of his notable inventions describes a toner particle that comprises two or more glass transition temperatures. The first glass transition temperature is within a range from 5 degrees centigrade to 20 degrees centigrade, while the second is between 50 degrees centigrade and 65 degrees centigrade. Another significant patent details a toner that includes first toner particles and second toner particles. The first toner particles consist of a plate-like colorant particle covered with binder resin particles, with a volume average size of the plate-like colorant particle being equal to or greater than 6 µm. The second toner particles include at least one of a binder resin and a releasing agent, without a colorant, and have specific aspect ratios and content ratios of releasing agents.
Career Highlights
Throughout his career, Junichi Ishikawa has worked with notable companies such as Toshiba Tec and Toshiba Corporation. His experience in these organizations has allowed him to refine his expertise in the development of advanced toner technologies.
Collaborations
Ishikawa has collaborated with talented individuals in his field, including Takashi Urabe and Taishi Takano. These partnerships have contributed to the success of his innovative projects.
Conclusion
Junichi Ishikawa's contributions to the field of electrophotography and toner technology are noteworthy. His patents reflect a deep understanding of material science and engineering, making him a significant figure in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile