Company Filing History:
Years Active: 1995
Title: The Innovative Mind of Hiroyasu Nakamura
Introduction: Hiroyasu Nakamura, a notable inventor from Hamamatsu, Japan, has made significant contributions to the field of semiconductor technology. With his inventive spirit, he has successfully developed an innovative monolithic integrated circuit (IC) that showcases his expertise in engineering and design.
Latest Patents: Nakamura holds a patent for a groundbreaking invention titled "Monolithic IC having pin photodiode and an electrically active element." This invention pertains to a monolithic IC that integrates a PIN photodiode and an n-p-n bipolar transistor on a single silicon substrate. One of the key challenges in fabricating such an IC is ensuring electrical isolation between the photodiode and the bipolar transistor while achieving a flat surface on the substrate. His invention addresses these challenges by utilizing two epitaxial layers on the silicon substrate, creating trenches, and filling them with silicon dioxide. As a result, this monolithic IC boasts small wiring capacity and enhanced high-speed performance. Furthermore, a p-type buried layer is formed underneath the bipolar transistor to prevent punch-through issues, thus contributing to a more efficient design. He also provides processes for fabricating a planar type bipolar transistor suitable for this IC, alongside a new structure for the PIN photodiode.
Career Highlights: Hiroyasu Nakamura is currently employed at Hamamatsu Photonics K.K., a leading company known for its advancements in photonics and semiconductor technologies. His career at this reputable organization has allowed him to apply and expand his innovative ideas in practical applications.
Collaborations: Throughout his professional journey, Nakamura has worked alongside esteemed colleagues, including Mikio Kyomasu and Masanori Sahara. Their collaborative efforts have contributed to enhancing the technologies and inventions emerging from their research, enabling impactful innovations in the field.
Conclusion: Hiroyasu Nakamura exemplifies the spirit of innovation through his dedication to advancing semiconductor technologies. His patented invention reflects his ability to solve complex engineering challenges, paving the way for future advancements in integrated circuits. As he continues to collaborate with talented coworkers, there is no doubt that Nakamura will remain a significant figure in the realm of technological innovation.