This inventor holds 37 USPTO granted patents and 5 published patent applications and 5 EPO patents, primarily in Semiconductor Devices. Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited, Fujitsu Microelectronics Limited. Active years: 2000-2025.
Location History:
- Kawasaki, JP (2000 - 2013)
- Kuwana, JP (2008 - 2023)
Company Filing History:
19 out of 39,367 
7 out of 1,674 
5 out of 467 
Years Active: 2000-2025
Areas of Expertise:
Title: Narumi Ohkawa: A Pioneering Inventor in Semiconductor Technology and Quantum Communication
Introduction
Narumi Ohkawa, based in Kawasaki, Japan, is a prominent inventor with an impressive portfolio of 36 patents. His contributions primarily focus on semiconductor devices and innovative communication methods, reflecting his expertise in cutting-edge technology.
Latest Patents
Among his latest inventions, Ohkawa developed a semiconductor device that features a unique fin-shaped structure extending vertically from a semiconductor substrate. This device includes a gate structure, first and second doped regions, and an intermediate region, enhancing the device's functionality and efficiency. Additionally, he has created a communication method that utilizes entangled photon states for signal transmission. This ingenious technique involves generating two photons through parametric down conversion, facilitating interaction between a sender and a receiver, while leveraging non-linear optical mediums for performance measurement.
Career Highlights
Ohkawa has made significant strides in his career, working with esteemed companies such as Fujitsu Corporation and Fujitsu Semiconductor Limited. His commitment to innovation and development in the technology sector has earned him recognition in both the semiconductor and communication fields.
Collaborations
Throughout his career, Ohkawa has collaborated with notable colleagues, including Taiji Ema and Tadao Inoue. These collaborations have furthered his research and development efforts, pushing the boundaries of what is possible in semiconductor technology and quantum communications.
Conclusion
Narumi Ohkawa stands out as a leading inventor whose work has a profound impact on technology. His vast array of patents and collaborative efforts continue to forge new paths in semiconductor designs and communication methodologies, solidifying his legacy as a pioneer in these intricate fields.