Location History:
- Osaka, JP (2012 - 2016)
- Sakai, JP (2017)
Company Filing History:
Years Active: 2012-2017
Title: Yui Kawano: Innovator in Toner Technology
Introduction
Yui Kawano is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of toner technology, holding a total of 4 patents. His work focuses on developing advanced methods for producing toners that enhance image quality and performance.
Latest Patents
Kawano's latest patents include a method for producing ground toner. This toner has a weight average molecular weight Mw ranging from 30,000 to 95,263, as determined from a molecular weight distribution based on GPC. It includes a THF-insoluble gel component at a weight proportion of less than 5%, along with components each having a molecular weight of 500 to 1500, which occupy an area of 4% to 10% on a chart of the molecular weight distribution based on GPC. Another notable patent is for a two-component color developer and image formation device using the same. This developer contains a toner and a resin-coated carrier, where the toner includes at least a polyester resin as a binding resin, an organic pigment as a colorant, and inorganic fine particles as an external additive. The inorganic fine particles possess a negative polarity, and the toner has a volume resistivity of 40×10 to 220×10 Ω·cm, along with a negative polarity. The carrier boasts a coat durability of 90% or greater.
Career Highlights
Kawano is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of toner technology. His work has been instrumental in advancing the capabilities of imaging devices and enhancing the quality of printed materials.
Collaborations
Some of his notable coworkers include Tadayuki Sawai and Yoritaka Tsubaki, who contribute to the collaborative efforts in research and development at their company.
Conclusion
Yui Kawano's contributions to toner technology through his innovative patents have significantly impacted the industry. His work at Sharp Kabushiki Kaisha Corporation exemplifies the importance of research and development in creating advanced imaging solutions.