Hachioji, Japan

Tsutomu Iwamoto

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Konica Minolta Medical and Graphic, Inc.. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Iwamoto. Retrieved from https://idiyas.com/inventor/tsutomu-iwamoto

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0


Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2010

Loading Chart...
Loading Chart...
1 patent (USPTO):Explore Patents

Title: Innovations of Tsutomu Iwamoto in Actinic Radiation Curable Ink-Jet Technology

Introduction: Tsutomu Iwamoto, an inventive mind based in Hachioji, Japan, has made notable contributions to the field of ink-jet technology. With a focus on improving the performance of inks, he has secured a patent that enhances the quality and consistency of printed images.

Latest Patents: Tsutomu Iwamoto holds a patent for an "Actinic Radiation Curable Ink-Jet Ink and Image Forming Method Using the Same." This innovative ink formulation includes a metal complex pigment, a cationically polymerizable compound, a polymer dispersing agent with a basic functional group, and a photo acid generating agent. The incorporation of an oxirane ring in the cationically polymerizable compound allows this ink to achieve excellent storage stability, ejection capability, and post-ejection curability. This technology enables the creation of highly detailed images with high density, uniform glossiness, and outstanding color reproduction, while preventing wrinkling during the printing process.

Career Highlights: Tsutomu Iwamoto is currently associated with Konica Minolta Medical and Graphic, Inc., where he has contributed significantly to the development of advanced printing technologies. His patent reflects his dedication to innovation within his field and showcases his technical expertise in ink formulation.

Collaborations: Throughout his career, Iwamoto has collaborated with fellow professionals Toshiyuki Takabayashi and Daisuke Ishibashi. These collaborations have played a vital role in the advancement of ink-jet technology and have helped facilitate breakthroughs in image quality and printing efficiency.

Conclusion: Tsutomu Iwamoto’s contributions to the development of actinic radiation curable ink-jet inks are a testament to his innovative spirit and technical skill. His patented formulation not only enhances the quality of prints but also showcases the potential for further advancements in the printing industry. As technology continues to evolve, Iwamoto’s work remains a significant milestone in the ongoing journey of innovations in ink-jet technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…