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For the Inventor, By the Inventor

Ibaraki, Japan

Hiroyuki Oba

This inventor holds 18 USPTO granted patents, primarily in Image Forming Technology. Top assignees: Canon Kabushiki Kaisha, Kureha Kagaku Kogyo K.k., Kureha Chemical Industry Company, Limited. Active years: 1996-2014.

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

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 55.6

Average Co-Inventor Count = 3.7

ph-index = 9

Forward Citations = 285(Granted Patents)


Location History:

  • Yokohama, JP (1997 - 1998)
  • Ibaraki-ken, JP (1996 - 1999)
  • Toride, JP (2002 - 2003)
  • Shizuoka-ken, JP (2004)
  • Suntoh-gun, JP (2004 - 2005)
  • Ibaraki, JP (1996 - 2009)
  • Suntou-gun, JP (2014)

Company Filing History:

goldMedal9 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
silverMedal7 out of 137 
 
Kureha Kagaku Kogyo K.k.
 patents
bronzeMedal1 out of 128 
 
Kureha Chemical Industry Company, Limited
 patents
4. 1 out of 336 
 
Kureha Corporation
 patents

Years Active: 1996-2014

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Areas of Expertise:
Image Forming Apparatus
Gas Barrier Film
Production Process
Image Heating Apparatus
Composite Deposited Film
Film for Packaging
Charge Member
Thermal Expansion
Process Cartridge
Selective Permeability
Variable Speed Charging
Recording Material
18 patents (USPTO):Explore Patents
1. 8768190 - Developing device (2014-07-01),
2. 7476712 - Film and process for producing the same (2009-01-13),
3. 6963700 - Image forming apparatus with variable speed charging member (2005-11-08),
4. 6907211 - Image forming apparatus (2005-06-14),
5. 6801738 - Image forming apparatus having variable/controlled timing for successive feeding of recording material at image transfer position (2004-10-05),
6. 6778791 - Image forming apparatus having charging rotatable member (2004-08-17),
7. 6746762 - Film selectively permeable to carbon dioxide gas and food packaging film comprising the same (2004-06-08),
8. 6539190 - Process cartridge and image forming apparatus comprising charging means including a charge member and electroconductive particles (2003-03-25),
9. 6434349 - Image forming apparatus (2002-08-13),
10. 5897960 - Laminate and production process thereof (1999-04-27),
11. 5801360 - Image fixing apparatus (1998-09-01),
12. 5709951 - Composite deposited film and production process thereof (1998-01-20),
13. 5621510 - Image heating apparatus with driving roller having low thermal expansion (1997-04-15),
14. 5621026 - Gas barrier film and production process thereof (1997-04-15),
15. 5574096 - Gas barrier film and production process thereof (1996-11-12),

Title: Hiroyuki Oba - Innovative Inventor from Ibaraki, Japan

Introduction: Hiroyuki Oba is a renowned inventor hailing from Ibaraki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroyuki Oba holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Hiroyuki Oba has worked with leading research institutions and tech companies, playing a pivotal role in the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Hiroyuki Oba has collaborated with top engineers, scientists, and researchers globally, fostering a culture of innovation and knowledge exchange that has led to the creation of impactful inventions.

Conclusion: Hiroyuki Oba's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor, inspiring the next generation of innovators to push the limits of what is possible in the world of technology.

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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