Company Filing History:
Years Active: 1997
Title: **Innovations of Mituhiko Ogihara: Pioneer in Light-Emitting Diode Technology**
Introduction
Mituhiko Ogihara, based in Tokyo, Japan, is a notable inventor recognized for his contributions to light-emitting and light-sensing diode technology. With one patent to his name, Ogihara is a key figure in the realm of semiconductor advancements, demonstrating innovation that enhances both emission and sensitivity of diode devices.
Latest Patents
Ogihara's patent, titled "Light-emitting and light-sensing diode array device," introduces significant improvements in diode sensitivity and efficiency. The first aspect of his invention features a doped region no deeper than 2 μm, combined with a minimum impurity concentration of 5 × 10^20 atoms/cm^−3, ensuring adequate light emission. The second aspect further refines this technology by incorporating a doped region that contains both deep and shallow parts, increasing the area of the shallow section to heighten the diode's sensitivity. This innovative design can be achieved through a meandering edge, internal islands, or by distinct formation of the deep and shallow regions.
Career Highlights
Mituhiko Ogihara is affiliated with Oki Electric Industry Co., Ltd., a company known for its commitment to advancing technology in various fields, including telecommunications and semiconductor devices. His role at Oki Electric underscores his influence within the industry, where his work directly impacts device performance and application possibilities.
Collaborations
Throughout his career, Ogihara has collaborated with notable colleagues such as Ichimatsu Abiko and Yukio Nakamura. These partnerships reflect a collective effort to push the boundaries of technology and improve the functionality of electronic components, thus fostering an environment of shared innovation and creativity.
Conclusion
Mituhiko Ogihara's contributions to diode technology exemplify the spirit of innovation. His patent not only advances the field of light-emitting diodes but also serves as a testament to the collaborative efforts within the industry. As technology continues to evolve, Ogihara's work remains a pivotal example of how inventive thinking can lead to practical solutions in electronics.