Location History:
- Setagaya-Ku, JP (1996 - 2000)
- Tokyo-To, JP (2001)
- Tokyo, JP (1991 - 2010)
Company Filing History:
Years Active: 1991-2010
Title: Norihiko Tsuchiya: Innovator in Semiconductor Technology
Introduction
Norihiko Tsuchiya is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 17 patents. His work focuses on improving the manufacturing processes and inspection methods for semiconductor devices.
Latest Patents
Among his latest patents is a semiconductor wafer with an ID mark. This innovative wafer features a bevel contour along its periphery, with products formed on the wafer and an ID mark that indicates the properties, manufacturing conditions, and test results of the products. Another notable patent is a method of inspecting semiconductor wafers. This method involves removing a device structure film to expose the crystal surface, coating a protected area with a mask material, and selectively etching the wafer to reveal crystal defects. The process concludes with quantitative measurements of the wafer's areas using advanced inspection apparatuses.
Career Highlights
Norihiko Tsuchiya is currently employed at Kabushiki Kaisha Toshiba, where he continues to advance semiconductor technology. His expertise and innovative approaches have positioned him as a key figure in the industry.
Collaborations
He has collaborated with notable coworkers, including Yukihiro Ushiku and Yoshiaki Matsushita, contributing to various projects that enhance semiconductor manufacturing and inspection techniques.
Conclusion
Norihiko Tsuchiya's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in semiconductor manufacturing processes.