This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Software Engineering Company, Ltd., Hitachi Video and Information Systems, Inc.. Active years: 2000-2005.
Location History:
- Yokohama, JP (2000)
- Kokubunji, JP (2001 - 2005)
Company Filing History:
3 out of 42,719 
1 out of 228 
1 out of 13 Years Active: 2000-2005
Title: Hiroyuki Minamura: Innovator in Optical Disc Technology
Introduction
Hiroyuki Minamura is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 4 patents. His work has advanced the methods of recording and reproducing information on optical discs, showcasing his expertise and innovative spirit.
Latest Patents
One of Hiroyuki Minamura's latest patents is an optical disc apparatus and method for recording and reproducing information to and from an optical disc. This invention includes the discrimination of the optical disc and the reading of control information in an un-recordable area formed in the inner periphery of the optical disc. It also involves conducting focus control based on a focus error signal in a recordable area formed outside of the un-recordable area. Furthermore, the invention determines an optimum offset value of the focus error signal in the recordable area. Additional features include adjustments in amplitude of a reproduced signal from both the inner and outer peripheries of the recordable area, as well as test-writing in these areas. These operations are conducted sequentially to ensure that the optical disc is in a reproducible and recordable condition.
Career Highlights
Hiroyuki Minamura has worked with prominent companies such as Hitachi, Ltd. and Hitachi Video and Information Systems, Inc. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in optical disc technology.
Collaborations
Throughout his career, Hiroyuki Minamura has collaborated with talented individuals, including Tetsuya Fushimi and Hisataka Sugiyama. These collaborations have fostered innovation and have led to the development of cutting-edge technologies in the field.
Conclusion
Hiroyuki Minamura's contributions to optical disc technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the way information is recorded and reproduced on optical discs, marking him as a significant figure in the field of technology.