Location History:
- Mobara, JA (1977)
- Mobara, JP (1979 - 2002)
Company Filing History:
18 out of 42,510 
1 out of 832,880 Years Active: 1977-2002
Title: **Mamoru Tsuzurahara: A Pioneer in Cathode Ray Tube Technology**
Introduction
Mamoru Tsuzurahara, an esteemed inventor from Mobara, Japan, has made significant contributions to the field of display technology, particularly in the development of color cathode ray tubes (CRT). With a remarkable portfolio of 19 patents, Tsuzurahara has demonstrated innovation and precision in engineering that has impacted the functionality and design of monitoring devices.
Latest Patents
One of Tsuzurahara’s notable patents is for a **color cathode ray tube with a wide deflection angle**. This innovative tube boasts excellent focusing characteristics across its entire screen while maintaining a compact design that enhances usability in monitoring devices. The electron gun's design uniquely balances the relationship between the diagonal size of the phosphor screen and the distance to the focusing electrode, which is crucial for image clarity.
Another significant invention by Tsuzurahara is the **color cathode ray tube having a small neck diameter**. This design features an in-line electron gun with each focus electrode and anode having a specifically designed single opening. The construction allows for three electron beams to pass through with optimized aperture sizes, enhancing the overall performance of the CRT. The precise specifications regarding the distance to the phosphor screen and the neck diameter exemplify Tsuzurahara's attention to detail and commitment to improving display technologies.
Career Highlights
Throughout his career, Mamoru Tsuzurahara has worked with significant companies such as Hitachi, Ltd. His tenure in these organizations has enabled him to refine his engineering skills and contribute to advancements in technology, particularly in the electronics sector. Tsuzurahara's innovations reflect his deep understanding of both theoretical principles and practical applications in his field.
Collaborations
Collaborating with talented colleagues has been a hallmark of Tsuzurahara’s career. Among his notable coworkers are Tomokatsu Oguro and Ichiro Ohara, who have also contributed to the field of display technology. Their joint efforts have facilitated remarkable advancements in CRT design and manufacturing processes.
Conclusion
Mamoru Tsuzurahara stands out as an influential figure in the evolution of cathode ray tube technology. His commitment to innovation is evidenced by his extensive patent portfolio and contributions to various organizations. As technology continues to advance, Tsuzurahara's work remains a foundation for future developments in display technologies.