Location History:
- Tokyo, JP (1987 - 2012)
- Kawasaki, JP (2010 - 2012)
Company Filing History:
8 out of 622 
5 out of 1,960 
1 out of 321 Years Active: 1987-2012
Title: Haruhiko Ikeda: Innovator in Color-Developable Inks
Introduction
Haruhiko Ikeda is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of color-developable inks, holding a total of 14 patents. His innovative work has led to advancements in printing technologies that enhance the visibility of invisible information.
Latest Patents
Ikeda's latest patents include a scratch color-developable ink and an invisible information printed sheet. The scratch color-developable ink comprises an electron-donating colorless or light-color dye precursor, an electron-accepting color developer, and a varnish. This ink allows invisible information to become visible through scratching, providing high color intensity without dust formation. Additionally, he has developed a thiourethane compound and photosensitive resin composition aimed at improving photopolymerization initiator compositions, which exhibit high sensitivity and excellent storage properties.
Career Highlights
Throughout his career, Ikeda has worked with notable companies such as Mitsubishi Paper Mills Limited and Showa Denko K.K. His experience in these organizations has contributed to his expertise in the development of innovative materials and technologies.
Collaborations
Ikeda has collaborated with esteemed colleagues, including Hideo Miyata and Shigetoshi Hiraishi. These partnerships have fostered a creative environment that has led to groundbreaking advancements in his field.
Conclusion
Haruhiko Ikeda's contributions to the field of color-developable inks and photopolymerization are noteworthy. His innovative patents and collaborations highlight his role as a leading inventor in this specialized area.