Location History:
- Odawara, JP (1978)
- Shizuoka, JP (1979)
- Udawara, JP (1981)
- Kanagawa, JP (1987)
Company Filing History:
4 out of 16,458 
2 out of 51 Years Active: 1978-1987
Title: Yasuhisa Narutomi: Innovator in Lithographic Technology
Introduction
Yasuhisa Narutomi is a notable inventor based in Odawara, Japan. He has made significant contributions to the field of lithographic technology, holding a total of 4 patents. His work focuses on developing innovative solutions that enhance the efficiency and effectiveness of lithographic processes.
Latest Patents
Narutomi's latest patents include a groundbreaking invention titled "Plate making processing for using negative working light-sensitive." This invention describes a negative working light-sensitive lithographic plate that requires no dampening solution. The plate comprises a support with a light-sensitive layer containing an o-quinonediazide compound and a coupling component that facilitates a diazo coupling reaction in a basic environment. Additionally, it features a silicone rubber layer. The process involves imagewise exposing the plate and developing it to create a lithographic plate that eliminates the need for dampening solutions, with a processing step using a base after exposure.
Another significant patent is the "Photosensitive diazonium compound containing composition and article." This composition includes a diazonium compound and a polymer with at least 50% by weight of a recurring unit represented by a specific general formula. This innovation aims to improve the performance and application of photosensitive materials in lithography.
Career Highlights
Throughout his career, Yasuhisa Narutomi has worked with prominent companies, including Fuji Photo Film Company, Limited and National Patent Development Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in lithographic technology.
Collaborations
Narutomi has collaborated with notable colleagues, including Nobuyuki Kita and Kesanao Kobayashi. These partnerships have fostered a creative environment that has led to innovative developments in their respective fields.
Conclusion
Yasuhisa Narutomi's contributions to lithographic technology through his patents and collaborations highlight his role as a significant inventor in this domain. His work continues to influence the industry and pave the way for future innovations.
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.