Location History:
- Musashino, JP (1992)
- Kokubunji, JP (1992 - 1993)
Company Filing History:
Years Active: 1992-1993
Title: The Innovative Mind of Akihiko Oka
Introduction
Akihiko Oka, an esteemed inventor based in Kokubunji, Japan, has made significant contributions to the field of semiconductor technology. With a total of three patents under his name, Oka's work primarily focuses on developing advanced laser devices, highlighting his ingenuity and commitment to innovation.
Latest Patents
Oka's latest patents include a groundbreaking semiconductor laser device with multiple active layers, which facilitates a large wavelength-tunable range. This device is designed for high-speed modulation and incorporates a distributed feedback structure, integrating a diffraction grating similar to that of DBR or DFB lasers. The incorporation of diverse active layers enhances single-mode spectral oscillation characteristics while reducing spectral line widths. Another notable invention is the wavelength tunable laser diode, which utilizes a temperature variable heater positioned close to the active layer. This proximity significantly improves the response time to temperature changes, thereby broadening the tunable range of the laser diode.
Career Highlights
Akihiko Oka is currently associated with Hitachi, Ltd., where he applies his expertise in semiconductor technology to drive innovation. His work at Hitachi reflects a commitment to advancing the capabilities of laser devices, positioning the company as a leader in this field.
Collaborations
Oka has collaborated with talented individuals such as Shinji Sakano and Naoki Chinone, working together to push the boundaries of semiconductor technology. Their combined efforts contribute to the development of novel solutions that enhance the functionality and performance of laser systems.
Conclusion
In conclusion, Akihiko Oka is a prominent figure in the world of semiconductor innovation, with a proven track record of impactful inventions. His contributions to the field, particularly in the realm of laser devices, underscore the importance of collaboration and creativity in driving technological advancements. As he continues his work at Hitachi, Oka's future endeavors promise to further transform the landscape of semiconductor technology.
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.