Company Filing History:
5 out of 322 
4 out of 71 
Years Active: 2014-2017
Title: Kazumasa Ohnuki: Innovator in Semiconductor Storage Solutions
Introduction
Kazumasa Ohnuki is a notable inventor based in Saitama, Japan, recognized for his contributions to semiconductor storage technology. With a total of five patents to his name, Ohnuki has made significant advancements in the design and functionality of substrate storage containers.
Latest Patents
Ohnuki's latest patents include innovative designs for substrate storing containers. One of his patents describes a substrate storing container where the lid body side wafer support parts allow for flexibility and effectively support the wafers. This design defines a closed state substrate as a wafer stored in the container's main body with the opening closed by the lid. The back side substrate support portion is strategically disposed in pairs about a depth direction reference line, supporting the wafer effectively. The center angle formed by the back side substrate support portion toward the depth direction is specified to be between 20-55 degrees. Another patent outlines a substrate storage container that features a container body for storing semiconductor wafers, a lid body for opening and closing the container, and a locking mechanism to secure the lid. The lid body consists of a main body fitted to the container and a cover plate that protects the front face of the lid. The locking mechanism includes a rotating operation portion that is pivotally supported and can be operated from outside the cover plate, enhancing usability.
Career Highlights
Throughout his career, Kazumasa Ohnuki has worked with prominent companies such as Shin-Etsu Polymer Co., Ltd. and Miraial Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technologies and innovations.
Collaborations
Ohnuki has collaborated with notable colleagues, including Hiroyuki Shida and Chiaki Matsutori, who have contributed to his projects and innovations in the field.
Conclusion
Kazumasa Ohnuki's work in semiconductor storage solutions showcases his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of the complexities involved in substrate storage, making him a significant figure in the industry.