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For the Inventor, By the Inventor

Tokyo, Japan

Hiroshi Sugawara

This inventor holds 53 USPTO granted patents and 13 published patent applications, primarily in Semiconductor Memory (CPC class B01D). Top assignees: Nec Electronics Corporation, Organo Corporation, Nec Corporation. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sugawara. Retrieved from https://idiyas.com/inventor/hiroshi-sugawara

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

USPTO Granted Patents = 53 

% Patents Active = 67.9

Average Co-Inventor Count = 1.9

ph-index = 10

Forward Citations = 417(Granted Patents)

Forward Citations (Not Self Cited) = 397(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Omiya, JP (1999 - 2002)
  • Kawasaki, JP (2005 - 2008)
  • Kanagawa, JP (2004 - 2010)
  • Musashino, JP (2009 - 2011)
  • Tokyo, JP (1988 - 2024)

Company Filing History:

goldMedal17 out of 2,467 
 
Nec Electronics Corporation
 patents
silverMedal14 out of 161 
 
Organo Corporation
 patents
bronzeMedal9 out of 36,676 
 
Nec Corporation
 patents
4. 4 out of 1,410 
 
Yokogawa Electric Corporation
 patents
5. 3 out of 6 
 
Mamiya-Op Co., Ltd.
 patents
6. 2 out of 58,145 
 
Sony Corporation
 patents
7. 1 out of 39,371 
 
Fujitsu Corporation
 patents
8. 1 out of 271 
 
Lion Corporation
 patents
9. 1 out of 48 
 
Obara Corporation
 patents
10. 1 out of 85 
 
Rion Company Ltd.
 patents
11. 1 out of 3 
 
Showa Denko Gas Products Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-2026

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Areas of Expertise:
Semiconductor Memory Device
Nonvolatile Memory
Fluid Treatment
Centrifugal Filtration
Water Quality Monitoring
High-Purity Carbon Dioxide
Hollow Fiber Membrane
Particle Measurement Instrument
Urea Analyzing
Clock Recovery Apparatus
Inspection Apparatus
Photoresist Development
53 patents (USPTO):Explore Patents
1. 12668513 - Impurity acquisition system, water quality testing system, and liquid production and supply system (2026-06-30),
2. 11932555 - Water treatment management apparatus and water quality monitoring method (2024-03-19),
3. 11860075 - Analyzing method and analyzing apparatus for urea (2024-01-02),
4. 11351507 - Method of evaluating level of cleanliness of hollow fiber membrane device, method of washing hollow fiber membrane device, and washing device for hollow fiber membrane device (2022-06-07),
5. 11179680 - Centrifugal filtration device and method of capturing and observing fine particles in liquid using the same (2021-11-23),
6. 10126752 - Work machine, system, method, program, and recording medium recording program for generating travel route of work machine, for determining availability of entry to travel route, and for automatically selecting travel route, and travel control system of work machine (2018-11-13),
7. 10120382 - Work machine, system, method, and recording medium recording computer program for determining availability of entry to travel route, and travel control system of work machine (2018-11-06),
8. 10114377 - Work machine, system, method, and recording medium recording computer program for generating travel route of work machine, and travel control system of work machine (2018-10-30),
9. 9887079 - Supply apparatus and supply method for supplying fluid carbon dioxide (2018-02-06),
10. 9605895 - Method and apparatus for producing high-purity liquefied carbon dioxide (2017-03-28),
11. 9339766 - Method and apparatus for purifying alcohol (2016-05-17),
12. 9217540 - Device and method for removing dissolved oxygen in alcohol, alcohol supply apparatus and rinsing liquid supply apparatus (2015-12-22),
13. 8974603 - Method of purifying filter, and method of cleaning or drying object to be treated (2015-03-10),
14. 7965800 - Clock recovery apparatus (2011-06-21),
15. 7938031 - Flow cell, flow cell manufacturing method and particle measurement instrument (2011-05-10),

Title: Hiroshi Sugawara: Pioneering Inventor from Tokyo

Introduction: Hiroshi Sugawara is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroshi Sugawara holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With over two decades of experience in the tech industry, Sugawara has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Hiroshi Sugawara has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Hiroshi Sugawara's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology, inspiring the next generation of inventors to push the boundaries of what is possible.

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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