Location History:
- Chiba, JP (1999 - 2000)
- Saitama, JP (2000 - 2001)
- Omiya, JP (2001 - 2004)
Company Filing History:
6 out of 630 
1 out of 2 Years Active: 1999-2004
Title: **Hitoshi Takayanagi: Innovator in Electrostatic Toner Technology**
Introduction
Hitoshi Takayanagi, a prolific inventor based in Omiya, Japan, has made significant contributions to the field of imaging technology. With a portfolio that includes seven patents, Takayanagi's work focuses primarily on developing advanced toners for electrostatic image development, enhancing both quality and efficiency in printing processes.
Latest Patents
Among his notable inventions is a toner for electrostatic image development that features a polyester resin with a spherical or generally spherical shape. This innovative toner allows for the implementation of an oilless fixation system, outperforming traditional heat roller systems that typically require anti-offset solutions. The toner is composed of a binder resin and a colorant, with precise temperature parameters that ensure optimal performance during printing. The flow beginning temperature ranges between 90°C and 120°C, while the flow ending temperature lies between 130°C and 170°C. The toner’s design, boasting an average roundness of 0.97 or more, enhances the quality of developed images considerably. Additionally, it can be produced using phase inversion at a low shear rate, which contributes to its impressive efficacy.
Another noteworthy patent involves a polyester resin toner, celebrated for its superior fixing properties without the need for anti-offset solutions in heat roller systems. This toner also ensures a small particle diameter, further contributing to the high quality of images produced.
Career Highlights
Hitoshi Takayanagi has been associated with notable companies, including Dainippon Ink and Chemicals, Incorporated, where he further honed his expertise in toner technology. His innovative spirit has positioned him as a key player in advancements that benefit both the printing industry and consumers.
Collaborations
Throughout his career, Hitoshi Takayanagi has collaborated with esteemed professionals such as Takashi Ito and Minoru Nomura. Their collective efforts have enriched the field of imaging technology, leading to breakthroughs in toner formulations and applications.
Conclusion
With a strong foundation in the development of electrostatic toners, Hitoshi Takayanagi continues to influence the printing industry through his innovative research and inventions. His dedication and contributions are a testament to the potential of technological advancements in enhancing everyday applications, solidifying his legacy as a prominent inventor in the field.