Location History:
- Kanagawa-ken, JP (2001)
- Yokohama, JP (2021 - 2022)
- Kanagawa, JP (2019 - 2023)
Company Filing History:
10 out of 164 
9 out of 5,290 
Years Active: 2001-2023
Title: **Katsuichi Oyama: A Pioneer in Adaptive Equalization and Error Correction Technologies**
Introduction
Katsuichi Oyama is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to the fields of communication technology. With a portfolio of 11 patents, Oyama has established himself as an innovator in adaptive equalization devices and error correction methodologies.
Latest Patents
Katsuichi Oyama's latest patents showcase his expertise in sophisticated communication devices. His inventions include an adaptive equalization device, which comprises a first compensation circuitry that incorporates a digital filter for compensating phase differences in received signals. A crucial aspect of this device is the second filter coefficient calculation circuitry, which addresses distortion caused by polarization dispersion, thereby enhancing signal integrity.
In addition to this, Oyama has developed an error correction device that utilizes a first correction unit capable of performing repetitive error correction decoding, helping improve transmission characteristics while optimizing power consumption. This innovation is accompanied by an estimation unit to assess various error rates, ensuring a dynamic adjustment between operational states, thus promoting efficiency.
Career Highlights
Throughout his career, Katsuichi Oyama has made significant strides while working with notable companies such as NTT Electronics Corporation and Nippon Telegraph and Telephone Corporation. His roles in these organizations have allowed him to develop and refine technologies that enhance communication systems.
Collaborations
Katsuichi Oyama has worked alongside esteemed colleagues, including Etsushi Yamazaki and Mitsuteru Yoshida. These collaborations have further propelled advancements in their respective fields, contributing to innovations that set new standards in communication technology.
Conclusion
Katsuichi Oyama's innovative spirit and technical acumen have played a vital role in the evolution of communication technologies. With his ongoing commitment to enhancing transmission methods and reducing power consumption, Oyama continues to influence the industry and inspire future generations of inventors and engineers.