This inventor holds 3 USPTO granted patents, plus 1 CIPO patent. Top assignees: Sumitomo Seika Chemicals Co., Ltd., Tdk Corporation. Active years: 1999-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kako-gun, JP (1999)
- Hyogo, JP (1999 - 2000)
Company Filing History:


Years Active: 1999-2000
Title: Kazuyoshi Hirako: Innovator in Optical Recording Media
Introduction
Kazuyoshi Hirako is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of optical recording media, holding a total of 3 patents. His work focuses on enhancing the performance and stability of optical recording materials.
Latest Patents
Hirako's latest patents include innovations such as photo-stabilized cyanine dyes and optical recording media. The cyanine dyes he developed are highly soluble in solvents with a high evaporation rate and demonstrate stability against light. This advancement is crucial for improving productivity and achieving optical recording media, particularly for CD-R and DVD-R optical discs, which exhibit enhanced light resistance. Another significant patent involves a novel substituted benzenedithiol metal complex, which serves as a singlet oxygen quencher and is useful in optical data recording mediums.
Career Highlights
Throughout his career, Kazuyoshi Hirako has worked with prominent companies, including Sumitomo Seika Chemicals Co., Ltd. and TDK Corporation. His experience in these organizations has allowed him to refine his expertise in the development of innovative materials for optical applications.
Collaborations
Hirako has collaborated with esteemed colleagues such as Michio Suzuki and Satoshi Kimura. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Kazuyoshi Hirako's contributions to the field of optical recording media highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the performance and reliability of optical materials, making a lasting impact in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile