Location History:
- Kamifukuoka, JP (1986 - 1988)
- Tokyo, JP (1994 - 1995)
Company Filing History:
3 out of 65 
1 out of 342 
Years Active: 1986-1995
Title: Innovator Hirokazu Hirata: Pioneering Advances in Inkjet Recording Technology
Introduction
Hirokazu Hirata, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of inkjet recording materials. With a portfolio of four patents, he is recognized for his innovative approaches to enhancing the quality and performance of inkjet recording paper.
Latest Patents
Hirata's latest patents include a unique formulation for inkjet recording paper, characterized by a base paper featuring a recording layer that contains at least 40 weight % of a pigment and no more than 60 weight % of a binder. This innovative design boasts a surface roughness of no more than 5 μm and air permeability limited to 1,000 seconds. Additionally, he developed a manufacturing process for this inkjet recording paper, which utilizes a cast coating method to apply a pigment-containing coating. The coating comprises at least 50 weight % of a calcium carbonate-compounded silica, leading to exceptional ink absorption, smoothness, gloss, and water resistance. These attributes enable the production of high-quality, high-contrast full-color images with impressive dot density and sharpness.
Career Highlights
Hirata has worked with notable companies in the industry, including Sanyo Kokusaku Pulp Co., Ltd. and Nippon Paper Industries Co., Ltd. His work in these organizations has focused on advancing the development of materials that enhance the reliability and effectiveness of inkjet printing.
Collaborations
Throughout his career, Hirata has collaborated with esteemed colleagues such as Teruhisa Shimada and Yoshifumi Iimori. These partnerships have been instrumental in refining his inventions and bringing innovative products to market.
Conclusion
Hirokazu Hirata continues to be a driving force in the development of advanced inkjet recording technology. His patented innovations play a crucial role in improving the quality of printed materials, establishing him as a significant figure in the field of materials science and engineering.
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.