Location History:
- Anpachi-gun, JP (2002)
- Higasiosaka, JP (2009)
- Gifu, JP (2002 - 2010)
Company Filing History:
6 out of 8,776 
5 out of 832,680 Years Active: 2002-2010
Title: Ken Hirose: Innovator in Optical Disc Technology
Introduction
Ken Hirose is a prominent inventor based in Gifu, Japan, known for his significant contributions to optical disc technology. With a total of 11 patents to his name, Hirose has made remarkable advancements in the field of information recording and reproduction.
Latest Patents
Hirose's latest patents include an innovative optical disc device designed for recording and reproducing information on write-once-type discs using laser light. This invention aims to smoothly and adequately adjust recording laser power while minimizing the increase in processing load during recording. The device executes an Optimal Power Control (OPC) when a recording operation start request is received, setting the recording laser power based on a target beta value of the disc. Additionally, when the system enters an intermittent standby state, a re-optimization process (R-OPC) is executed to adjust the recording laser power again. Another notable patent involves a laser power adjustment method and an optical recording and reproduction apparatus, which sets optimum laser power for a disk with minimal test writing. This method utilizes an integrated value derived from various laser powers and their corresponding modulation factors to determine the optimal laser power for effective recording.
Career Highlights
Throughout his career, Ken Hirose has worked with notable companies, including Sanyo Electric Co., Ltd. His work has significantly impacted the development of optical disc technologies, enhancing the efficiency and effectiveness of data recording processes.
Collaborations
Hirose has collaborated with esteemed colleagues such as Kenji Nakao and Noboru Mamiya, contributing to the advancement of optical technologies through shared expertise and innovative ideas.
Conclusion
Ken Hirose's contributions to optical disc technology have established him as a key figure in the field. His innovative patents and collaborations reflect his dedication to advancing technology and improving data recording methods.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.