This inventor holds 2 USPTO granted patents. Top assignees: Hitachi-Lg Data Storage, Inc., Hitachi, Ltd.. Active years: 1994-2011.
Company Filing History:
Years Active: 1994-2011
Title: Nobuhiro Washiya: Innovator in Optical Disc Technology
Introduction
Nobuhiro Washiya is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 2 patents. His work has been instrumental in advancing the functionality and efficiency of optical disc apparatuses.
Latest Patents
One of Washiya's latest patents is an optical disc apparatus that features an overcurrent detector. This innovative design allows the apparatus to detect overcurrents during recording or reproduction operations. When an overcurrent is detected, the rotation speed of the optical disc is reduced, and the actuator is controlled to retract the objective lens. This mechanism ensures that the objective lens remains in a retracted state until the rotation speed of the optical disc falls below a predetermined value, enhancing the safety and reliability of the device.
Another significant patent is an isopleth generator for applying isopleths to digital picture data. This apparatus includes an input device for sequentially inputting image data, a horizontal delay circuit, and a column comparator. The system generates signals indicating which samples should be converted into isopleth data, ultimately enhancing the visual quality of displayed images.
Career Highlights
Throughout his career, Nobuhiro Washiya has worked with prominent companies such as Hitachi, Ltd. and Hitachi-LG Data Storage, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Washiya has collaborated with notable coworkers, including Naozane Yoshida and Tsutomu Takagi. Their combined expertise has contributed to the successful development of various technologies in the optical disc field.
Conclusion
Nobuhiro Washiya's contributions to optical disc technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry positively.

