Location History:
- Takarazuka, JP (1983)
- Hyogo, JP (1983 - 1989)
Company Filing History:
2 out of 21,351 
1 out of 1 Years Active: 1983-1989
Title: **Hirozo Takano: A Pioneer in Semiconductor Device Manufacturing**
Introduction
Hirozo Takano is an esteemed inventor based in Hyogo, Japan, recognized for his significant contributions to the field of semiconductor device manufacturing. With three patents to his name, Takano's innovations have played a crucial role in advancing semiconductor technology.
Latest Patents
Among his latest patents, Takano has developed a "Method of Fabricating Semiconductor Devices," which involves an improved lift-off processing method. This invention facilitates the production of an access groove pattern on the substrate's surface prior to applying the resist through photolithography and metallization deposition. The access groove pattern enhances the effectiveness of chemical strippers, resulting in better reliability of the lift-off process.
Another notable patent is his "Method for Manufacturing a Semiconductor Device," which focuses on creating semiconductor integrated circuit devices with contact apertures measuring 1 micron or less. This innovative technique involves forming an ion bombardment layer by bombarding specific areas of the substrate with nitrogen ions using direct ion beam imaging. Following this, the layer transforms into an oxidation-resistant layer upon annealing, while an insulating oxide layer is produced in other regions through oxidation. Ultimately, contact recesses are formed by removing the oxidation-resistant layer.
Career Highlights
Hirozo Takano has had a successful career, working with prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Electric Corporation LSI Development Laboratory. His professional journey reflects a deep commitment to enhancing semiconductor technology through innovative approaches.
Collaborations
Throughout his career, Takano has collaborated with notable colleagues, including Yoji Mashiko and Haruhiko Abe. These partnerships have contributed to the development and refinement of his groundbreaking ideas in semiconductor manufacturing.
Conclusion
Hirozo Takano's work continues to have a lasting impact on the semiconductor industry. His innovative patents are a testament to his expertise and dedication to improving manufacturing processes. With a track record of collaboration and success in reputable organizations, Takano is recognized as a prominent figure in the realm of semiconductor device invention.