Company Filing History:
17 out of 1,641 
2 out of 42,508 
Years Active: 1980-2003
Title: **Yoshiyuki Tsuru: A Pioneer in Optical Technologies**
Introduction
Yoshiyuki Tsuru, based in Shimodate, Japan, is a distinguished inventor known for his contributions to the fields of optical circuit boards and semiconductor technologies. With an impressive portfolio of 18 patents, Tsuru has made significant advancements that impact the manufacturing and efficiency of optical and electronic devices.
Latest Patents
Tsuru's latest innovations include two notable patents. The first is an "Optical Circuit Board and Method of Manufacturing the Same," which describes an optical circuit substrate integrated with optical fibers in a circuit layout. This invention enhances efficiency by incorporating an optical interconnection portion that reduces the connection area and simplifies registration between optical elements and fibers.
The second patent is for a "Substrate for Mounting Semiconductor Chips," which features a substrate designed for semiconductor chip placement equipped with adhesive bumps. This substrate is designed with insulating coatings that have openings, ensuring that wiring conductors remain protected, thereby enhancing connection reliability and improving mass productivity.
Career Highlights
Yoshiyuki Tsuru has had an illustrious career, working with prominent companies such as Hitachi Chemical Company, Ltd. and Hitachi, Ltd. His role in these organizations has allowed him to spearhead innovative research and development projects, significantly influencing the advancement of optical and semiconductor technologies.
Collaborations
Throughout his career, Tsuru has collaborated with esteemed professionals in his field, notably with Shigeharu Arike and Akishi Nakaso. Together, they have contributed to various projects that focus on improving technological efficiencies and developing new methodologies in innovative engineering.
Conclusion
Yoshiyuki Tsuru stands out as a prolific inventor and a thought leader in the realms of optical and semiconductor technologies. His patents not only underscore his innovative spirit but also reflect his commitment to advancing technology and improving manufacturing processes. With ongoing contributions, Tsuru continues to pave the way for future innovations in these critical industries.