Kouichirou Tsujita

This inventor holds 17 USPTO granted patents, primarily in Exposure Method Development. Top assignee: Canon Kabushiki Kaisha. Active years: 2010-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichirou Tsujita. Retrieved from https://idiyas.com/inventor/kouichirou-tsujita

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

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 47.1

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 15(Granted Patents)

Company Filing History:

17 out of 93,136

Canon Kabushiki Kaisha

patents

Years Active: 2010-2017

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Areas of Expertise:

Exposure Method

Pattern Formation

Device Fabrication

Storage Medium

Optical Image Calculation

Mask Data Generation

Computer Program

Evaluation Items

Light Source Shape

Reticle Transfer

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9690201 - Drawing method and method of manufacturing article (2017-06-27),

2. 9551926 - Determination method, storage medium and information processing apparatus (2017-01-24),

3. 9448495 - Resist pattern calculation method and calculation program storage medium (2016-09-20),

4. 9406510 - Pattern forming method and article manufacturing method (2016-08-02),

5. 9268239 - Exposure method and storage medium (2016-02-23),

6. 9036897 - Storage medium storing computer program for determining at least one of exposure condition and mask pattern (2015-05-19),

7. 8949748 - Recording medium recording program for generating mask data, method for manufacturing mask, and exposure method (2015-02-03),

8. 8867023 - Method for determining exposure condition and computer-readable storage media storing program for determining exposure condition (2014-10-21),

9. 8739079 - Recording medium and determination method (2014-05-27),

10. 8584055 - Non-transitory computer-readable storage medium, decision method and computer for deciding exposure condition using evaluation item of interest and auxiliary evaluation item (2013-11-12),

11. 8582083 - Effective light source shape database generation method, optical image calculation method, recording medium, exposure method, and device fabrication method (2013-11-12),

12. 8339579 - Exposure method (2012-12-25),

13. 8334968 - Recording medium storing program for determining exposure parameter, exposure method, and method of manufacturing device (2012-12-18),

14. 8085386 - Method for determining exposure condition and computer-readable storage media storing program for determining exposure condition (2011-12-27),

15. 8049191 - Method of transferring pattern of reticle, computer readable storage medium, and method of manufacturing device (2011-11-01),

Title: **The Innovative Journey of Kouichirou Tsujita**

Introduction

Kouichirou Tsujita is a prominent inventor based in Utsunomiya, Japan. With an impressive portfolio of 17 patents, Tsujita has made significant contributions to the field of technology, particularly in areas related to optical systems and manufacturing methods.

Latest Patents

Among his latest innovations, Tsujita's patents include a unique drawing method and a method of manufacturing articles. His charged particle beam drawing apparatus is designed to draw multiple cut patterns on first linear patterns that are arranged in a first direction while maintaining a predetermined pitch in a second perpendicular direction. The innovative feature of this technology lies in the precise intervals between cut patterns, following specific mathematical relations.

Another noteworthy patent involves a determination method for exposure conditions of exposure apparatuses. This invention focuses on optimizing the illumination parameter and aberration parameter for optical systems, ensuring that the image quality of a mask pattern projected onto a substrate meets established performance criteria.

Career Highlights

Kouichirou Tsujita currently works for Canon Kabushiki Kaisha, a leading company in imaging and optical products. His role has allowed him to deepen his expertise in optical technologies, leading to groundbreaking advancements in the area.

Collaborations

Throughout his career, Tsujita has collaborated with skilled professionals, including Koji Mikami and Yuichi Gyoda. These partnerships have further enriched his innovations and contributed to the successful development of complex technologies.

Conclusion

Kouichirou Tsujita's work exemplifies the spirit of innovation and the drive to improve optical technologies. With multiple patents to his name and collaborative efforts with esteemed colleagues, he continues to influence the industry and pave the way for future advancements. His contributions at Canon Kabushiki Kaisha not only benefit the company but also push the boundaries of technological possibility.

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]