This inventor holds 27 USPTO granted patents, primarily in Optical Networking. Top assignees: Hitachi, Ltd., Hitachi Communication Technologies, Ltd.. Active years: 1998-2014.
Location History:
- Kanazawa-ku, JP (1998)
- Tokyo, JP (2006)
- Yokohama, JP (2000 - 2014)
Company Filing History:
23 out of 42,726Â 
4 out of 129Â 
Years Active: 1998-2014
Areas of Expertise:
Title: The Innovative Contributions of Masaki Ohira
Introduction
Masaki Ohira, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of optical communication technologies. With a remarkable portfolio of 27 patents, his work focuses on enhancing the efficiency and capabilities of passive optical networks, among other innovations.
Latest Patents
Ohira's latest patents include the development of an optical multiplexing terminal device and a wavelength multiplexing passive optical network system. His advancements aim to reduce electric power consumption based on the quantity of signals transmitted downstream in wavelength-division multiplexing passive optical networks (WDM-PON). This system, which connects an Optical Line Terminal (OLT) and several Optical Networking Units (ONUs) through an optical fiber network, features intelligent wavelength usage and timing transmissions to optimize performance. Furthermore, he has developed an encryption apparatus that improves data security by incorporating an idle data inserting unit, ensuring efficient processing of variable-length payloads.
Career Highlights
Throughout his distinguished career, Masaki Ohira has held prominent positions at leading technology firms, including Hitachi, Ltd. and Hitachi Communication Technologies, Ltd. His expertise and innovative thinking have positioned him as a significant contributor to the field of optical network technologies.
Collaborations
Ohira has collaborated with talented coworkers like Takashi Mori and Yusuke Yajima, contributing to a dynamic team environment that fosters innovation and technological advancement. These collaborative efforts have led to the development of pivotal technologies that enhance communication systems globally.
Conclusion
Masaki Ohira's work exemplifies the spirit of innovation in optical communications. His extensive patents and contributions significantly impact how data is transmitted and secured across networks. Ohira continues to push the boundaries of technology, laying the groundwork for future advancements in the field.