This inventor holds 16 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1979-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1979)
- Yokohama, JP (1982 - 1993)
Company Filing History:
Years Active: 1979-1993
Title: Masaakira Umehara: Innovator in Optical Information Recording
Introduction
Masaakira Umehara is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical information recording, holding a total of 16 patents. His work has advanced the technology used in data storage and retrieval, making him a key figure in his industry.
Latest Patents
Umehara's latest patents include innovative designs for optical information recording mediums. One of his notable inventions is an optical information recording medium composed of a substrate and a recording layer that includes a diarylpolyene compound. This compound is characterized by specific aryl groups and alkyl components, enhancing the medium's performance. Another significant patent involves an optical information recording medium that features a substrate and a recording layer made primarily of an organic dye component. This design maximizes the spectroscopic reflectance at the wavelength used for information recording and reproduction, improving the efficiency of data storage systems.
Career Highlights
Masaakira Umehara is currently associated with Ricoh Company, Ltd., where he continues to innovate in the field of optical technologies. His work has not only contributed to the company's portfolio but has also influenced the broader landscape of optical information technology.
Collaborations
Umehara has collaborated with notable colleagues, including Michiharu Abe and Hideaki Oba. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in optical information recording.
Conclusion
Masaakira Umehara's contributions to optical information recording have established him as a leading inventor in this field. His innovative patents and collaborations reflect his commitment to advancing technology and improving data storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
