Location History:
- Yokohama, JP (1985)
- Kanagawa, JP (1990 - 2007)
Company Filing History:
16 out of 58,129 
1 out of 1,357 
1 out of 127 Years Active: 1985-2007
Title: The Innovative Journey of Nobuyuki Arakawa
Introduction
Nobuyuki Arakawa, an accomplished inventor based in Kanagawa, Japan, holds an impressive portfolio of 16 patents. His work has significantly contributed to the field of optical recording technologies, demonstrating his innovative spirit and dedication to advancing technology.
Latest Patents
Among Arakawa’s latest patents are groundbreaking inventions related to the production of optical recording mediums. One of his notable patents involves a method for creating a stamper used in optical recording mediums. This process includes forming a base member from either silicon or glass with a polished main surface, applying a resist film, and then using techniques such as focused electron beams or ultraviolet laser exposure to create intricate relief shapes. This method ultimately leads to a stamper that exhibits minimized surface roughness, thickness variations, and circularity deviations, demonstrating high precision in the creation of optical recording mediums.
Career Highlights
Arakawa has played crucial roles in prestigious companies such as Sony Corporation and Mitsubishi Rayon Company, Limited. His experience in these organizations has undoubtedly enriched his understanding of the technological advancements in optical recording technology, helping him secure multiple patents throughout his career.
Collaborations
Collaboration has been a key aspect of Arakawa’s innovative endeavors. He has worked alongside talented individuals like Yuji Akiyama and Toshiyuki Kashiwagi. Their combined expertise in their respective fields has contributed to the successful development of various patented technologies.
Conclusion
Nobuyuki Arakawa stands out as a prominent figure in the realm of optical recording technology through his inventive contributions and collaborations. His patents not only highlight his ingenuity but also serve as significant advancements in the industry, paving the way for future innovations in optical recording mediums.