Location History:
- Kishima-gun, JP (1999 - 2000)
- Saga-ken, JP (2000)
Company Filing History:
4 out of 11 
2 out of 929 
2 out of 40 Years Active: 1999-2000
Title: Kazutoshi Ejima: Innovator in Semiconductor Support Solutions
Introduction
Kazutoshi Ejima is a notable inventor based in Saga-ken, Japan. He has made significant contributions to the field of semiconductor support solutions, holding a total of four patents. His innovative designs focus on enhancing the efficiency and cleanliness of semiconductor wafer handling.
Latest Patents
Ejima's latest patents include the "Thin-plate supporting container with unitary porous gasket" and the "Thin-plate supporting container with filter means." Both patents describe a carrier box designed to support and house multiple semiconductor wafers. The carrier box features an internal-pressure adjusting mechanism that maintains the internal pressure in the chamber at the same level as the external pressure. This mechanism includes an opening in the container body and a detachable filter that allows gas to enter and exit while keeping the chamber clean. Additionally, a porous gasket is utilized to further ensure the cleanliness and pressure balance within the chamber.
Career Highlights
Throughout his career, Kazutoshi Ejima has worked with prominent companies such as Kakizaki Manufacturing Co., Ltd. and Sumitomo Metal Industries, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions for semiconductor handling.
Collaborations
Ejima has collaborated with various professionals in his field, including his coworker Yukihiro Hyobu. Their joint efforts have likely played a role in advancing the technology surrounding semiconductor support systems.
Conclusion
Kazutoshi Ejima's contributions to the semiconductor industry through his patents and career experiences highlight his role as an innovator. His work continues to influence the design and functionality of semiconductor support solutions.