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For the Inventor, By the Inventor

Oita, Japan

Keita Asanuma

This inventor holds 6 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1999-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keita Asanuma. Retrieved from https://idiyas.com/inventor/keita-asanuma

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

USPTO Granted Patents = 6

% Patents Active = 66.7

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 34(Granted Patents)


Location History:

  • Yokkaichi, JP (2001)
  • Yokohama, JP (1999 - 2005)
  • Oita, JP (2007 - 2008)

Company Filing History:

goldMedal6 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1999-2008

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6 patents (USPTO):Explore Patents
1. 7440104 - Exposure system, test mask for monitoring polarization, and method for monitoring polarization (2008-10-21),
2. 7164960 - Apparatus for correcting a plurality of exposure tools, method for correcting a plurality of exposure tools, and method for manufacturing semiconductor device (2007-01-16),
3. 6872508 - Exposure method and method of manufacturing semiconductor device (2005-03-29),
4. 6842230 - Exposing method (2005-01-11),
5. 6288556 - Method of electrical measurement of misregistration of patterns (2001-09-11),
6. 6008880 - Exposure tool and method capable of correcting high (N-TH) order light (1999-12-28),

Title: Keita Asanuma: Innovator in Semiconductor Technology

Introduction

Keita Asanuma is a prominent inventor based in Oita, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on advanced exposure systems and methods for monitoring polarization, which are crucial in the manufacturing of semiconductor devices.

Latest Patents

Asanuma's latest patents include an exposure system designed to project grating patterns using linearly polarized light. This system is equipped with a data collector that gathers optical intensity data and a polarization direction monitor that ensures the accuracy of the polarization direction. Another notable patent involves an apparatus for correcting multiple exposure tools, which includes an image memory and evaluators for contrast and evenness. This innovation aims to standardize the optical proximity effects across different exposure tools, enhancing the overall quality of semiconductor manufacturing.

Career Highlights

Keita Asanuma is currently employed at Kabushiki Kaisha Toshiba, where he continues to develop cutting-edge technologies in the semiconductor industry. His expertise and innovative approach have positioned him as a key figure in his field.

Collaborations

Asanuma collaborates with talented colleagues, including Tatsuhiko Higashiki and Nobuhiro Komine. Their combined efforts contribute to the advancement of semiconductor technologies and the successful implementation of innovative solutions.

Conclusion

Keita Asanuma's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the future of semiconductor manufacturing.

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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