This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd., Other. Active years: 2000-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 42,740 
1 out of 217 
1 out of 834,570 Years Active: 2000-2001
Title: Yasumasa Tsuchiya: Cathode-Ray Tube Innovations
Introduction
Yasumasa Tsuchiya is an inventor associated with Mobara, Japan. His patent work includes innovations in cathode-ray tube construction and shadow-mask support systems. He is credited with 3 patents.
Latest Patents
One of Tsuchiya’s patents concerns a color cathode-ray tube with a shadow mask supported by L-shaped bimetallic springs. The springs combine metals with different thermal expansion coefficients to help hold the shadow-mask structure securely within the tube panel.
Another patent describes a cathode-ray tube with a reinforced panel. It specifies a sloped sidewall and a reinforcing band fitted around the panel, with the band positioned in relation to the tube’s mold match line.
Career Highlights
Tsuchiya’s listed company experience includes Hitachi, Ltd. His patent work reflects a focus on the design and structural performance of cathode-ray tubes.
Collaborations
His listed coworkers include Shinji Murooka and Nobuhiko Hosotani.
Conclusion
Yasumasa Tsuchiya’s patents address practical improvements to cathode-ray tube components, including shadow-mask mounting and panel reinforcement.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile