Location History:
- Shizuoka-Ken, JP (2004 - 2006)
- Shizuoka, JP (1991 - 2007)
Company Filing History:
8 out of 16,458 
1 out of 16,042 
Years Active: 1991-2007
Title: Innovator Mitsumasa Tsuchiya: A Pioneer in Lithographic Technologies
Introduction: Mitsumasa Tsuchiya, an esteemed inventor based in Shizuoka, Japan, has made significant contributions to the field of lithography. With a remarkable portfolio of nine patents, Tsuchiya's work has been instrumental in advancing technologies that enhance printing processes, showcasing his dedication to innovation.
Latest Patents: Among his latest innovations are the following patents:
1. **Heat-sensitive lithographic printing plate precursor** - This invention features a heat-sensitive lithographic printing plate precursor comprising a support that holds two image-forming layers. Notably, each layer contains a polymer that is insoluble in water but soluble in an aqueous alkaline solution. The upper layer of these image-forming layers includes a copolymer containing a specific monomer unit defined in the patent specification.
2. **Photosensitive composition** - This invention introduces a photosensitive composition that comprises a vinyl polymer with a carboxyl group, a polymer compound featuring a phenolic hydroxyl group, and an infrared absorber. The vinyl polymer possesses a carboxyl group content of 2.0 meq/g or higher, and a solubility parameter that is less than 21.3 MPa.
Career Highlights: Mitsumasa Tsuchiya has held influential positions in prestigious companies, including Fuji Photo Film Company, Limited, and Fujifilm Corporation. His work at these organizations has allowed him to cultivate a deep understanding of the innovations necessary for advancing lithographic technologies.
Collaborations: Throughout his career, Tsuchiya has collaborated with notable professionals like Shunichi Kondo and Ikuo Kawauchi. These partnerships have been pivotal in fostering innovation and advancing the quality of products in the lithographic industry.
Conclusion: Mitsumasa Tsuchiya stands as a prominent figure in the realm of lithographic technology. With his invaluable contributions, particularly through his recent patents, he continues to inspire future generations of inventors and innovators in the field. His commitment to developing effective solutions for the printing industry solidifies his legacy as a distinguished inventor.
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.