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For the Inventor, By the Inventor

Kawasaki, Japan

Yasunari Sohda

This inventor holds 76 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Electron Beam Technology (CPC class H01J). Top assignees: Hitachi-High-Technologies Corporation, Hitachi, Ltd., Canon Kabushiki Kaisha. Active years: 1994-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunari Sohda. Retrieved from https://idiyas.com/inventor/yasunari-sohda

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

Calculating rank
USPTO Granted Patents = 76 

% Patents Active = 72.4

 

Average Co-Inventor Count = 4.3

ph-index = 9

Forward Citations = 269(Granted Patents)

Forward Citations (Not Self Cited) = 255(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hachiouji, JP (1995)
  • Hachioji, JP (1994 - 2003)
  • Kawasaki, JP (2003 - 2016)
  • Tokyo, JP (2005 - 2022)

Company Filing History:

goldMedal44 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
silverMedal25 out of 42,743 
 
Hitachi, Ltd.
 patents
bronzeMedal11 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
4. 4 out of 1,398 
 
Hitachi High-Tech Corporation
 patents
5. 3 out of 2,283 
 
Adv Antest Corporation
 patents
6. 3 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1994-2022

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Areas of Expertise:
Electron Beam Device
Scanning Electron Microscope
Charged Particle Beam
Calibration Sample
Defect Inspection
Pattern Measurement
Aberration Correction
Electron Gun
Focus Adjustment
Pattern Evaluation
Displacement Measurement
Pattern Forming
76 patents (USPTO):Explore Patents
1. 11435178 - Calibration sample, electron beam adjustment method and electron beam apparatus using same (2022-09-06),
2. 11276551 - Inspection device (2022-03-15),
3. 11251018 - Scanning electron microscope (2022-02-15),
4. 11227740 - Electron gun and electron beam application device (2022-01-18),
5. 10825649 - Electron beam device (2020-11-03),
6. 10692693 - System and method for measuring patterns (2020-06-23),
7. 10636618 - Charged particle beam apparatus (2020-04-28),
8. 10629405 - Electron beam device and sample inspection method (2020-04-21),
9. 10559450 - Scanning electron microscope (2020-02-11),
10. 10446361 - Aberration correction method, aberration correction system, and charged particle beam apparatus (2019-10-15),
11. 10134558 - Scanning electron microscope (2018-11-20),
12. 10014160 - Scanning electron microscope and method for controlling same (2018-07-03),
13. 9960006 - Charged-particle-beam device (2018-05-01),
14. 9799483 - Charged particle beam device and detection method using said device (2017-10-24),
15. 9644955 - Scanning electron beam device with focus adjustment based on acceleration voltage and dimension measurement method using same (2017-05-09),

Certainly! Here is the article about inventor Yasunari Sohda:

Title: Yasunari Sohda: A Trailblazer in Innovation

Introduction:

Yasunari Sohda, a distinguished inventor hailing from Kawasaki, Japan, is a prominent figure in the realm of innovation. With an impressive portfolio of 76 patents, his relentless pursuit of groundbreaking technological advancement has positioned him as a standout figure inspiring future generations to push the boundaries of invention.

Latest Patents:

Sohda's latest patents include a Calibration sample and an electron beam adjustment method and apparatus. These inventions focus on implementing a calibration sample that allows for precise measurement of incident angles, enhancing electron beam adjustment processes with unparalleled accuracy.

Career Highlights:

Having contributed significantly to the technological landscape, Sohda has made pivotal contributions during his tenure at Hitachi High-Technologies Corporation and Hitachi Co., Ltd. His innovative spirit and dedication to excellence have shaped his career, leading to the development of cutting-edge solutions in the field of electron beam technology.

Collaborations:

Throughout his career, Sohda has collaborated with esteemed colleagues such as Yoshinori Nakayama and Yasuhiro Someda. Together, they have worked on various projects, driving innovation and fostering a collaborative environment that nurtures creativity and ingenuity.

Conclusion:

In conclusion, Yasunari Sohda's remarkable journey as an inventor epitomizes the essence of ingenuity and perseverance. His exceptional contributions to electron beam technology and precision measurement techniques have left an indelible mark on the industry, inspiring aspiring inventors to dare to dream and redefine the boundaries of innovation.

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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