This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignee: Canon Kabushiki Kaisha. Active years: 2002-2007.
Location History:
- Utsunomiya, JP (2002 - 2005)
- Tochigi, JP (2004 - 2006)
- Tochigi-Ken, JP (2007)
Company Filing History:
Years Active: 2002-2007
Title: Kiyoshi Arakawa: Innovator in Semiconductor Manufacturing
Introduction
Kiyoshi Arakawa is a prominent inventor based in Tochigi, Japan. He has made significant contributions to the field of semiconductor manufacturing, holding a total of 7 patents. His innovative designs and solutions have advanced the technology used in exposure apparatuses, which are critical in the semiconductor industry.
Latest Patents
One of Arakawa's latest patents is a chemical filter arrangement for a semiconductor manufacturing apparatus. This invention discloses a semiconductor exposure apparatus that includes a chamber for accommodating the main unit of the exposure apparatus. It features a gas controlling unit for managing gas within the chamber, a chemical filter for attracting chemical substances in the controlling gas, and a dust removing filter for capturing dust particles. Notably, the gas blowing area of the chemical filter is smaller than that of the dust removing filter, and they are disposed separately. The chemical filter is mounted obliquely concerning the direction of gas flow, enhancing its efficiency.
Another significant patent is an exposure apparatus designed for exposing a substrate to light via a mask. This apparatus includes a projection optical system that projects a mask pattern onto the substrate. It is equipped with a cover that surrounds the light path, along with multiple supply and recovery ports for gas management. The design ensures that the gas flow directions from the supply and recovery ports oppose each other at an angle not greater than 90 degrees, optimizing the exposure process.
Career Highlights
Kiyoshi Arakawa is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to focus on developing advanced technologies that enhance semiconductor manufacturing processes. His contributions have been instrumental in improving the efficiency and effectiveness of exposure apparatuses.
Collaborations
Throughout his career, Arakawa has collaborated with notable colleagues, including Hitoshi Nakano and Takahito Chibana. These collaborations have fostered innovation and have led to the development of cutting-edge technologies in the semiconductor field.
Conclusion
Kiyoshi Arakawa's contributions to semiconductor manufacturing through his innovative patents and work at Canon Kabushiki Kaisha highlight his importance in the industry. His inventions continue to shape the future of semiconductor technology, making him a key figure in this field.