This inventor holds 2 USPTO granted patents. Top assignees: Nihon Denshi Kabushiki Kaisha, Rikagaku Kenkyusho, Other. Active years: 1978-1979.
Company Filing History:
2 out of 33 
1 out of 126 
1 out of 834,411 Years Active: 1978-1979
Title: **Innovations by Takashi Souma: Pioneering Electron Beam Technologies**
Introduction
Takashi Souma, an accomplished inventor located in Kiyose, Japan, has made significant contributions to the field of electron beam exposure technology. With a total of two patents to his name, Souma's work showcases innovative methods and systems that enhance the precision of electron beam application in various industrial processes.
Latest Patents
Souma's latest patents include two notable inventions:
1. **Electron Beam Exposure Method**: This invention describes a method wherein an electron beam, featuring a narrow rectangular cross-section that is shaped by two aperture plates and a deflector, is scanned over a workpiece or specimen. The design allows the beam to adjust its length and width relative to the scanning process, aligning with the shape of the pattern designated for exposure.
2. **Electron Beam Exposure System**: In this patent, Souma presents a system where an electron beam, with its cross-section shaped by two aperture plates and a deflector, sequentially irradiates pattern areas within multiple unit squares on a workpiece. The system also incorporates a mechanical means to continuously shift the workpiece in the Y direction, allowing for precise detection of the amount of workpiece shift to control the deflector and the shaping of the beam cross-section.
Career Highlights
Throughout his career, Takashi Souma has worked with prominent companies such as Nihon Denshi Kabushiki Kaisha and Rikagaku Kenkyusho. His experiences in these organizations have further refined his expertise and innovation capabilities in the field of electron beam technology.
Collaborations
Souma has collaborated with esteemed coworkers, including Eiichi Goto and Masanori Idesawa. Together, they have contributed to advancements in electron beam exposure techniques, driving forward the capabilities within their industry.
Conclusion
Takashi Souma’s inventive contributions to electron beam exposure methods and systems underline his significant role in the technological advancements of the field. With a focus on precision and efficiency, his patents reflect a commitment to innovation that continues to influence modern engineering practices.