Kanagawa, Japan

Katsuo Oshima

This inventor holds 3 USPTO granted patents. Top assignee: Oki Electric Industry Co., Ltd.. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuo Oshima. Retrieved from https://idiyas.com/inventor/katsuo-oshima

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 66.7

Average Co-Inventor Count = 4.2

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Tokyo, JP (2002 - 2005)
  • Kanagawa, JP (2005)

Company Filing History:


Years Active: 2002-2005

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3 patents (USPTO):Explore Patents

Title: Katsuo Oshima: Innovator in Semiconductor Technology

Introduction

Katsuo Oshima is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His innovative work focuses on improving photolithography processes, which are crucial in semiconductor fabrication.

Latest Patents

One of his latest patents is a mask pattern correction method. This method involves correcting the main mask pattern of a photomask by adding serifs to adjacent corners in the pattern. The addition of these serifs helps to produce an optical proximity correction that reduces corner rounding and enhances edge straightness in the resist pattern during photolithography. Another notable patent is a method and apparatus for performing baking treatment to a semiconductor wafer. This apparatus includes a baking oven and a gas supply unit that controls the temperature of the purge gas, ensuring optimal heating of the semiconductor wafer.

Career Highlights

Katsuo Oshima is currently employed at Oki Electric Industry Co., Ltd. His work at this company has allowed him to develop and refine his innovative techniques in semiconductor manufacturing. His contributions have been instrumental in advancing the efficiency and effectiveness of semiconductor devices.

Collaborations

Katsuo has collaborated with notable colleagues such as Koki Muto and Azusa Yanagisawa. These collaborations have further enriched his work and have led to advancements in the semiconductor field.

Conclusion

Katsuo Oshima's innovative patents and contributions to semiconductor technology highlight his role as a key inventor in the industry. His work continues to influence the development of more efficient semiconductor manufacturing processes.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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