Location History:
- Yokohama, JA (1978)
- Yokohama, JP (1991 - 1992)
Company Filing History:
5 out of 42,488 
1 out of 1 
1 out of 7 Years Active: 1978-1992
Title: Ichiro Niitsu: Innovator in Cathode-Ray Tube Technology
Introduction
Ichiro Niitsu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of cathode-ray tube technology, holding a total of 5 patents. His work has been instrumental in advancing the functionality and efficiency of electron beam convergence systems.
Latest Patents
Niitsu's latest patents include a convergence system designed for generating magnetic fields to converge multiple electron beams in a cathode-ray tube. This system features a convergence yoke with a core that has a ring-shaped outer periphery and magnetic poles extending toward the neck part of the cathode-ray tube. Additionally, he developed a lateral line comma aberration correcting coil arrangement, which includes a first coil wound on the magnetic poles to correct misconvergence in the lateral line direction. Furthermore, a longitudinal line correction coil arrangement is also part of his innovations, enabling the correction of misconvergence in the longitudinal line direction on the fluorescent face of the cathode-ray tube.
Another significant patent involves a convergence system for a cathode-ray tube that utilizes three detection magnetic pole pieces. These pieces are strategically placed to form magnetic paths inside the neck part of the cathode-ray tube. The system includes multiple coils wound on the convergence yoke to correct horizontal and vertical misconvergence between the center beam and side beams.
Career Highlights
Throughout his career, Ichiro Niitsu has worked with prominent companies such as Hitachi, Ltd. and Hitachi Mizusawa Electric Co., Ltd. His experience in these organizations has allowed him to refine his expertise in the development of advanced electronic systems.
Collaborations
Niitsu has collaborated with notable colleagues, including Soichi Sakurai and Nobutaka Okuyama. Their combined efforts have contributed to the advancement of technology in their respective fields.
Conclusion
Ichiro Niitsu's innovative work in cathode-ray tube technology has left a lasting impact on the industry. His patents and collaborations reflect his dedication to enhancing electronic systems and correcting beam convergence issues.
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.