This inventor holds 6 USPTO granted patents. Top assignees: Stella Chemifa Kabushiki Kaisha, Frontec Incorporated, Other. Active years: 1998-2011.
Location History:
- Sendai, JP (1998)
- Osaka-fu, JP (2000 - 2004)
- Sakai-shi, Osaka-fu JP (2004)
- Izumiootsu, JP (2011)
Company Filing History:
4 out of 15 
1 out of 37 
2 out of 834,411 Years Active: 1998-2011
Title: Tatsuhiro Yabune: Innovator in Surface Treatment Solutions
Introduction
Tatsuhiro Yabune is a prominent inventor based in Osaka-fu, Japan. He has made significant contributions to the field of surface treatment solutions, particularly in the context of glass substrates used in advanced display technologies. With a total of six patents to his name, Yabune's work has had a substantial impact on the manufacturing processes of liquid crystal and organic electroluminescence-based flat panel display devices.
Latest Patents
One of Yabune's latest patents is a surface treatment solution designed for the fine processing of glass substrates containing multiple ingredients. This innovative solution is crucial for constructing flat panel display devices without causing crystal precipitation or increasing surface roughness. The etching solution he developed includes hydrofluoric acid (HF) and ammonium fluoride (NHF), along with at least one additional acid that has a higher dissociation constant than HF. This allows for the concentration of the acid in the solution to be adjusted to optimize the etching rate. Another notable patent is an etching agent that can etch insulating films at high speeds without damaging the resist pattern. This etching agent provides realistic throughput when replacing the insulating film etching process in semiconductor manufacturing with a single wafer processing method, while also preventing surface roughness on the semiconductor after etching.
Career Highlights
Throughout his career, Tatsuhiro Yabune has worked with various companies, including Stella Chemifa Kabushiki Kaisha. His expertise in surface treatment solutions has positioned him as a key figure in the development of technologies that enhance the performance and quality of display devices.
Collaborations
Yabune has collaborated with notable professionals in his field, including Masayuki Miyashita and Hirohisa Kikuyama. These collaborations have further enriched his work and contributed to the advancement of surface treatment technologies.
Conclusion
Tatsuhiro Yabune's innovative contributions to surface treatment solutions have significantly influenced the manufacturing processes of modern display technologies. His patents reflect a deep understanding of the complexities involved in glass substrate processing, making him a valuable inventor in the industry.