This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2004-2005.
Location History:
- Ibaraki, JP (2004)
- Osaka, JP (2005)
Company Filing History:
Years Active: 2004-2005
Title: The Innovations of Yoshimi Kumei
Introduction
Yoshimi Kumei is a notable inventor based in Osaka, Japan. She has made significant contributions to the field of cathode ray tube technology. With a total of 2 patents, her work has advanced the performance and quality of display technologies.
Latest Patents
Kumei's latest patents include a cathode ray tube featuring a magnetic shield with a bent portion. This innovation addresses the issue of halation in cathode ray tubes with large deflection angles. By reducing the thickness of the bent portion to 0.08 mm or less, the design minimizes the reflection of electron beams, enhancing image quality. Another significant patent is for a color cathode-ray tube that incorporates a shadow mask made of Invar material. This design improves magnetic shield characteristics and reduces mislanding of the electron beam, resulting in superior color image display.
Career Highlights
Yoshimi Kumei has worked at Matsushita Electric Industrial Co., Ltd., where she has been instrumental in developing advanced display technologies. Her innovative approaches have led to improvements in cathode ray tube performance, making her a key figure in her field.
Collaborations
Kumei has collaborated with notable coworkers such as Naoki Yamauchi and Hideo Iguchi. Their combined expertise has contributed to the success of various projects within the company.
Conclusion
Yoshimi Kumei's contributions to cathode ray tube technology have had a lasting impact on the industry. Her innovative patents and collaborative efforts continue to influence advancements in display technology.