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For the Inventor, By the Inventor

Tokyo, Japan

Kaoru Umemura

This inventor holds 76 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Ion Beam Processing (CPC class 2503). Top assignees: Hitachi, Ltd., Hitachi-High-Technologies Corporation, Hitachi High-Tech Science Corporation. Active years: 1986-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kaoru Umemura. Retrieved from https://idiyas.com/inventor/kaoru-umemura

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

USPTO Granted Patents = 76 

% Patents Active = 61.8


Average Co-Inventor Count = 4.9

ph-index = 20

Forward Citations = 1,448(Granted Patents)

Forward Citations (Not Self Cited) = 1,272(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kokubunji, JP (1986 - 1995)
  • Musashino-shi, Tokyo JP (2004)
  • Musashino, JP (1996 - 2014)
  • Tokyo, JP (2004 - 2019)

Company Filing History:

goldMedal54 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal19 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
bronzeMedal1 out of 225 
 
Hitachi High-Tech Science Corporation
 patents
4. 1 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
5. 2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2019

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Areas of Expertise:
Ion Beam Processing
Specimen Fabrication
Charged Particle Beam
Liquid Metal Ion Gun
Micro Sample Processing
Dual Beam Apparatus
Failure Analysis
Mass Spectrometer
Patterned Wafer Inspection
Semiconductor Inspection
76 patents (USPTO):Explore Patents
1. 10186398 - Sample positioning method and charged particle beam apparatus (2019-01-22),
2. 8796651 - Method and apparatus for specimen fabrication (2014-08-05),
3. 8779400 - Ion source, ion beam processing/observation apparatus, charged particle beam apparatus, and method for observing cross section of sample (2014-07-15),
4. 8618520 - Method and apparatus for processing a micro sample (2013-12-31),
5. 8569719 - Method and apparatus for specimen fabrication (2013-10-29),
6. 8525537 - Method and apparatus for probe contacting (2013-09-03),
7. 8481980 - Ion source, ion beam processing/observation apparatus, charged particle beam apparatus, and method for observing cross section of sample (2013-07-09),
8. 8431891 - Dual beam apparatus with tilting sample stage (2013-04-30),
9. 8405053 - Method and apparatus for specimen fabrication (2013-03-26),
10. 8222618 - Method and apparatus for processing a microsample (2012-07-17),
11. 7999240 - Method and apparatus for specimen fabrication (2011-08-16),
12. 7897936 - Method and apparatus for specimen fabrication (2011-03-01),
13. 7888639 - Method and apparatus for processing a micro sample (2011-02-15),
14. 7804073 - Liquid metal ion gun (2010-09-28),
15. 7791050 - Method and apparatus for specimen fabrication (2010-09-07),

Title: Kaoru Umemura: Pioneering Inventor from Tokyo

Introduction: Kaoru Umemura is a distinguished inventor hailing from the vibrant city of Tokyo, Japan. With a passion for innovation and a keen eye for detail, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Kaoru Umemura holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies. His recent patents focus on enhancing efficiency and sustainability in various industries.

Career Highlights: Throughout his illustrious career, Kaoru Umemura has worked with leading tech companies in Japan, spearheading research and development projects that have pushed the boundaries of technological advancement. His innovative solutions have garnered international recognition and acclaim.

Collaborations: Kaoru Umemura has collaborated with top research institutions and universities in Japan, fostering a culture of innovation and knowledge sharing. His collaborative efforts have resulted in cutting-edge inventions that have revolutionized the tech industry.

Conclusion: In conclusion, Kaoru Umemura stands as a visionary inventor whose relentless pursuit of innovation has left an indelible mark on the world of technology. His passion for creating solutions that make a difference continues to inspire future generations of inventors and innovators.

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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