Inventors with similar research interests:
Location History:
- Kanagawa, JP (1989)
- Kanagawa-Ken, JP (2004 - 2006)
- Yokohama, JP (1995 - 2013)
Company Filing History:
67 out of 52,751 
2 out of 12 
Years Active: 1989-2013
Areas of Expertise:
Title: Naomasa Nakamura: Innovator in Optical Recording Technologies
Introduction
Naomasa Nakamura, a renowned inventor based in Yokohama, Japan, has made significant contributions to the field of optical recording technologies. With an impressive portfolio of 67 patents, his work has pushed the boundaries of what is possible in information storage and retrieval.
Latest Patents
Nakamura's recent patents include innovative developments such as an optical recording medium, an information recording method, and an information reproducing method. One embodiment of his optical recording medium addresses the issue of interlayer crosstalk, allowing for stable and high-quality recording characteristics. This medium consists of a first recording part that features a first recording layer and a first light reflecting layer, positioned closer to the light receiving surface, while a second recording part contains a second recording layer and a second light reflecting layer situated farther away. Notably, the first light reflecting layer is thinner than the second.
Additionally, he developed a storage medium that incorporates a transparent resin substrate with concentric or spiral grooves, onto which a recording film is placed. This design allows for a reproduction durability count of 1,000,000 or more when continuously read by a laser beam, showcasing exceptional performance.
Career Highlights
Throughout his career, Nakamura has worked with notable companies such as Kabushiki Kaisha Toshiba and Memory-Tech Corporation. His dedication to research and development has established him as a leading figure in his field.
Collaborations
Nakamura's innovative journey has been enriched by collaborations with talented professionals like Naoki Morishita and Koji Takazawa. Working together, they have advanced the state of optical media technologies and contributed to the success of various projects.
Conclusion
In summary, Naomasa Nakamura's impactful inventions and patents have considerably influenced optical recording technologies. His commitment to innovation continues to inspire future developments in the field, ensuring that high-quality information storage remains at the forefront of technological advancement.