Location History:
- Kanagawa, JP (1992 - 1993)
- Yokohama,all of, JP (1995)
- Kanagawa-ken, JP (1997)
- Yokohama, JP (1983 - 2006)
- Sodegaura, JP (2006)
Company Filing History:
20 out of 1,379 
9 out of 72 
3 out of 1,786 Years Active: 1983-2006
Title: The Innovative Contributions of Sumio Hirose
Introduction: Sumio Hirose is a prominent inventor based in Yokohama, Japan, recognized for his significant contributions to the field of chemical engineering and materials science. With a remarkable portfolio of 23 patents, Hirose has pioneered several innovative technologies that have advanced industries such as printing and optical information storage.
Latest Patents: Among his latest inventions, Hirose has developed a lithographic printing plate and an optical information recording medium. The lithographic printing plate patent entails a novel original plate with a photosensitive layer composed of a crosslinked polymer, which undergoes a transformation from ink-repellent to ink-receptive upon light irradiation. This advancement in printing technology enhances the efficiency and quality of lithographic processes.
Hirose's optical information recording medium patent describes an innovative design comprising a transparent substrate and a recording layer that utilizes organic dyestuffs. By incorporating a pit-edge control agent, his medium exhibits improved deviation properties and jitter characteristics, resulting in a CD-R medium that offers low error rates and compatibility with commercial CD players.
Career Highlights: Throughout his career, Hirose has been affiliated with various esteemed companies. He has worked at Mitsui Toatsu Chemicals, Incorporated and Yamamoto Chemicals, Inc., where he has played a pivotal role in developing cutting-edge materials and technologies. His extensive experience in these organizations has significantly contributed to his innovative prowess in materials science.
Collaborations: Hirose's innovative journey has been marked by collaborations with fellow professionals in his field. Notable colleagues include Tadashi Koike and Hideki Umehara, whose collective expertise has further propelled advancements in their respective research areas and contributed to successful projects.
Conclusion: Sumio Hirose's contributions to innovation through his patents demonstrate his impact on the fields of lithographic printing and optical information storage. His dedication to creating accessible and effective technologies continues to inspire future generations of inventors and researchers in the pursuit of innovation.
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.