Location History:
- Asaka, JA (1978)
- Asaka, JP (1982 - 1983)
- Saitama, JP (1983 - 1986)
- Kanagawa, JP (1985 - 1996)
- Shizuoka, JP (1994 - 2007)
Company Filing History:
47 out of 16,458 
1 out of 16,115 
Years Active: 1978-2007
Areas of Expertise:
Title: Innovations by Seiji Horie – A Pioneer in Electrostatic Inkjet Technologies
Introduction
Seiji Horie is a prominent inventor based in Kanagawa, Japan, known for his extensive contributions to the field of inkjet technologies. With an impressive portfolio of 48 patents, he has significantly advanced the art of electrostatic inkjet ink compositions and oil-based ink compositions for inkjet printers. His innovative approaches have the potential to transform various applications in the printing industry.
Latest Patents
Among Horie’s latest patents is the "Electrostatic inkjet ink composition," which details a novel formulation that includes a non-aqueous solvent characterized by a dielectric constant ranging from 1.5 to 20 and a surface tension of 15 to 60 mN/m at 25°C. This composition also features a color material that remains insoluble in the non-aqueous solvent, alongside a charge control agent that is soluble in the same solvent. Notably, the charge control agent consists of a half-aside maleic acid copolymer containing specific repeating units.
Another significant patent is the "Oil-based ink composition for inkjet printer and method of forming image using the same," which describes an oil-based ink composition containing a coloring agent and a binder resin. This binder resin comprises a block copolymer with a repeating unit that corresponds to a monofunctional monomer consisting of an aliphatic cyclic hydrocarbon group containing 5 to 30 carbon atoms. This invention is particularly useful for enhancing the output quality in inkjet printing.
Career Highlights
Seiji Horie has collaborated with leading companies in the photography and printing sector, such as Fuji Photo Film Company, Limited, and Fujifilm Corporation. His time in these organizations has allowed him to develop and refine his innovative printing technologies, helping to maintain their leading position in the industry.
Collaborations
Throughout his career, Horie has worked alongside talented professionals like Hideo Sato and Naonori Makino. Their collaborative efforts have been instrumental in pushing the boundaries of inkjet technology, resulting in multiple successful innovations and development of new products.
Conclusion
Seiji Horie's contributions to the field of electrostatic inkjet technologies underscore his status as a leading inventor. His patents demonstrate not only creativity but also a commitment to advancing the capabilities of inkjet printing. As the industry continues to evolve, Horie's work will undoubtedly influence future innovations and applications in this area.