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For the Inventor, By the Inventor

Kumagaya, Japan

Hiroyuki Nagasaka

This inventor holds 104 USPTO granted patents and 2 published patent applications and 39 EPO patents, primarily in Exposure Technology (CPC class G03F7-70341). Top assignees: Nikon Corporation, Nikon Engineering Co., Ltd., Tokyo Electron Limited. Active years: 2004-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Nagasaka. Retrieved from https://idiyas.com/inventor/hiroyuki-nagasaka

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

USPTO Granted Patents = 104 

% Patents Active = 19.2

 

Average Co-Inventor Count = 1.7

ph-index = 13

Forward Citations = 669(Granted Patents)

Forward Citations (Not Self Cited) = 572(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Sagamihara, JP (2005)
  • Tokyo, JP (2014 - 2016)
  • Kumagaya, JP (2004 - 2022)

Company Filing History:

goldMedal103 out of 8,995 
 
Nikon Corporation
 patents
silverMedal17 out of 19 
 
Nikon Engineering Co., Ltd.
 patents
bronzeMedal3 out of 10,904 
 
Tokyo Electron Limited
 patents
4. 1 out of 321 
 
Kurita Water Industries Ltd.
 patents
5. 1 out of 7 
 
Nikon Corooration
 patents
where one patent can have more than one assignee

Years Active: 2004-2022

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Areas of Expertise:
Charged Particle Beam
Optical Apparatus
Exposure Method
Device Manufacturing
Projection Optical System
Immersion Exposure
Liquid Recovery System
Substrate Stage
104 patents (USPTO):Explore Patents
1. 11387074 - Charged particle beam optical apparatus, exposure apparatus, exposure method, control apparatus, control method, information generation apparatus, information generation method and device manufacturing method (2022-07-12),
2. 10984982 - Charged particle beam optical apparatus, exposure apparatus, exposure method, control apparatus, control method, information generation apparatus, information generation method and device manufacturing method (2021-04-20),
3. 10209622 - Exposure method and device manufacturing method having lower scanning speed to expose peripheral shot area (2019-02-19),
4. 10203614 - Exposure apparatus, exposure method, and method for producing device (2019-02-12),
5. 10203608 - Exposure apparatus and device manufacturing method having lower scanning speed to expose peripheral shot area (2019-02-12),
6. 10180632 - Exposure apparatus, exposure method, and method for producing device (2019-01-15),
7. 10088760 - Exposure apparatus, exposure method, method for producing device, and optical part (2018-10-02),
8. 9977352 - Exposure apparatus and device manufacturing method (2018-05-22),
9. 9977336 - Exposure method, exposure apparatus, and method for producing device (2018-05-22),
10. 9933708 - Exposure method, exposure apparatus, and method for producing device (2018-04-03),
11. 9910369 - Exposure apparatus, exposure method, and device producing method (2018-03-06),
12. 9891539 - Projection optical system, exposure apparatus, and exposure method (2018-02-13),
13. 9846371 - Exposure method, substrate stage, exposure apparatus, and device manufacturing method (2017-12-19),
14. 9778580 - Exposure apparatus, exposure method, and method for producing device (2017-10-03),
15. 9766555 - Exposure apparatus, exposure method, and method for producing device (2017-09-19),

Title: Hiroyuki Nagasaka: A Pioneer in Innovation and Sustainability

Introduction: Hiroyuki Nagasaka, a visionary inventor hailing from Kumagaya, Japan, has dedicated his career to pushing the boundaries of technology to create a more sustainable future. With a remarkable portfolio of 104 patents, Nagasaka's work has not only transformed industries but also inspired a new generation of inventors to make a positive impact on the world.

Latest Patents: Among his latest patents are a series of innovations including a charged particle beam optical apparatus, exposure apparatus, control methods, and device manufacturing methods. One notable invention is a charged particle beam optical apparatus with multiple irradiation optical systems controlled by a sophisticated control apparatus based on the operation state of each system.

Career Highlights: Nagasaka's expertise has been honed through his tenure at esteemed companies such as Nikon Corporation and Nikon Engineering Co., Ltd. His contributions to these organizations have been instrumental in driving technological advancements in the field of optics and imaging.

Collaborations: Throughout his career, Nagasaka has collaborated closely with talented individuals such as Soichi Owa and Takeshi Okuyama. These collaborations have played a crucial role in the success of his innovative projects and have paved the way for groundbreaking inventions.

Conclusion: Hiroyuki Nagasaka stands as a beacon of innovation and sustainability, demonstrating the profound impact that a single inventor can have on the world. His relentless pursuit of excellence and commitment to creating a better future through technology serves as a guiding light for aspiring inventors worldwide.

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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