Location History:
- Shinjuku-Ku, JP (2011)
- Tokyo, JP (2012)
Company Filing History:
2 out of 3,205 
1 out of 7,533 
1 out of 3,781 
Years Active: 2011-2012
Title: Shogo Narukawa: Innovator in Photomask Technology
Introduction
Shogo Narukawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of photomask technology, holding 2 patents that enhance the efficiency and effectiveness of photomask manufacturing and inspection processes.
Latest Patents
Narukawa's latest patents include a "Method of Manufacturing Photomask" and a "Method of Determining Defects in Photomask." The first patent provides a technique for quantitatively expressing the manufacturing difficulty level of a photomask. This method allows for the efficient manufacturing of photomasks by recognizing the difficulty level associated with each mask layout, product, and mask layer. It utilizes a mask manufacturing load index calculated by a prediction system, enabling layout corrections to be made early in the process. The second patent focuses on increasing the yield of photomask manufacturing while reducing inspection costs. It involves preparing circuit data and layout data, converting it to compensated layout data, and developing mask-manufacturing data that includes attribute information for effective defect determination.
Career Highlights
Throughout his career, Narukawa has worked with notable companies such as Dai Nippon Printing Co., Ltd. and Renesas Electronics Corporation. His experience in these organizations has contributed to his expertise in photomask technology and innovation.
Collaborations
One of Narukawa's key collaborators is Yoshikazu Nagamura. Their partnership has likely fostered advancements in their shared field of expertise.
Conclusion
Shogo Narukawa's contributions to photomask technology through his innovative patents demonstrate his commitment to enhancing manufacturing processes. His work continues to influence the semiconductor industry positively.