Location History:
- Sakura, JP (1991 - 2012)
- Saitama, JP (2015)
- Kita-adachi-gun, JP (2015 - 2020)
Company Filing History:
5 out of 630 
3 out of 771 
1 out of 22 Years Active: 1991-2020
Title: Naohito Saito: Innovator in Ink Technology
Introduction
Naohito Saito is a prominent inventor based in Sakura, Japan, known for his contributions to the field of ink technology. With a total of nine patents to his name, Saito has made significant strides in developing advanced ink compositions suitable for ink-jet recording.
Latest Patents
Saito's latest inventions include an actinic-ray-curable ink set for ink-jet recording. This innovative ink set excels in thick-film curability even when utilizing a UV-LED lamp as the light source. It offers uniform curing sensitivity across various colors, making it a standout in the industry. Specifically, the cyan ink contains a phthalocyanine pigment, a radical polymerizable compound, and less than 10% by mass of a photopolymerization initiator. Similarly, the magenta ink features a quinacridone-based pigment with less than 5% of a photopolymerization initiator, while the yellow ink comprises an azo pigment with under 10%. The black ink utilizes carbon black and is characterized by having less than 12% of the photopolymerization initiator. Another of his notable patents involves an active-energy-ray-curable ink jet recording ink composition and a method for forming images, employing a mix of polymerizable compounds to optimize performance.
Career Highlights
Saito has held significant positions in reputed companies such as Dainippon Ink and Chemicals, Incorporated and Dic Corporation. His work has not only elevated these companies' product offerings but has also set new benchmarks in ink technology.
Collaborations
Throughout his career, Naohito Saito has collaborated with notable professionals like Yutaka Yamada and Yasuyuki Watanabe. These collaborations have further enriched his research and development efforts, leading to the creation of innovative ink solutions.
Conclusion
Naohito Saito's contributions to ink technology through his numerous patents highlight his innovative spirit and dedication to advancing the industry. His inventions and collaborations have established him as a key figure in the world of ink-jet recording, paving the way for future developments in this essential field.