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For the Inventor, By the Inventor

Tokyo, Japan

Norio Ohkuma

This inventor holds 49 USPTO granted patents and 1 published patent application and 8 EPO patents, primarily in Ink Jet Technology. Top assignees: Canon Kabushiki Kaisha, Leibniz-Institut Fuer Neue Materialien Gemeinnuetzige Gmbh. Active years: 1990-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Ohkuma. Retrieved from https://idiyas.com/inventor/norio-ohkuma

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

USPTO Granted Patents = 49 

% Patents Active = 69.4

 

Average Co-Inventor Count = 3.2

ph-index = 16

Forward Citations = 790(Granted Patents)


Location History:

  • Yokohama, JP (1994 - 2006)
  • Tokyo, JP (1990 - 2014)
  • Machida, JP (1990 - 2017)

Company Filing History:

goldMedal49 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
silverMedal3 out of 34 
 
Leibniz-Institut Fuer Neue Materialien Gemeinnuetzige Gmbh
 patents
where one patent can have more than one assignee

Years Active: 1990-2017

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Areas of Expertise:
Ink Jet Head
Manufacturing Method
Micropatterned Layers
Liquid Discharge Head
Coating Composition
Recording Apparatus
Ejection Bubble Formation
Photosensitive Medium
Through-Hole Formation
Wiper Blade Member
Jet Recording Method
Composition for Ink Jet
49 patents (USPTO):Explore Patents
1. 9815271 - Intermediate transfer member, image recording apparatus, and image recording method (2017-11-14),
2. 8680179 - Composite composition for micropatterned layers (2014-03-25),
3. 8535796 - Composite composition for micropatterned layers having high relaxation ability, high chemical resistance and mechanical stability (2013-09-17),
4. 8251491 - Ink jet head and its manufacture method (2012-08-28),
5. 8124791 - Active energy ray curable liquid composition and liquid cartridge (2012-02-28),
6. 8087748 - Ink jet recording head, producing method therefor and composition for ink jet recording head (2012-01-03),
7. 8012364 - Ink jet recording head, producing method therefor and composition for ink jet recording head (2011-09-06),
8. 7985477 - Liquid-repellent, alkali-resistant coating composition and coating suitable for pattern forming (2011-07-26),
9. 7810904 - Ink jet recording head, producing method therefor and composition for ink jet recording head (2010-10-12),
10. 7789490 - Liquid discharge head and method of manufacturing the same (2010-09-07),
11. 7758158 - Ink jet head and its manufacture method (2010-07-20),
12. 7658469 - Ink jet head and its manufacture method (2010-02-09),
13. 7641306 - Wiper blade member for ink jet recording head, ink jet recording apparatus having wiper blade and ink jet recording method (2010-01-05),
14. 7282243 - Pattern forming method and method of manufacturing ink jet recording head (2007-10-16),
15. 7055938 - Liquid jet recording head and process for production thereof (2006-06-06),

Title: Unveiling the Innovations of Inventor Norio Ohkuma

Introduction: Norio Ohkuma is a distinguished innovator based in Tokyo, Japan, renowned for his remarkable contributions to the field of technology. With an impressive portfolio of 49 patents, Ohkuma-san is a trailblazer in the realm of inventions.

Latest Patents:

1. Intermediate transfer member, image recording apparatus, and image recording method: Ohkuma's invention revolutionizes the field of image recording by introducing an intermediate transfer member with a surface layer containing an organic siloxane compound and a polyalkylene oxide unit.

2. Composite composition for micropatterned layers: Ohkuma's composite composition enhances the properties of patterned moulded articles by incorporating a cationically polymerizable organic resin, a cationic photoinitiator, and inorganic nanoparticles.

Career Highlights: Ohkuma has made significant strides in his professional journey, having worked with esteemed companies such as Canon Inc. and Leibniz-Institut für Neue Materialien Gemeinnützige GmbH. His expertise and dedication have propelled him to the forefront of technological advancements.

Collaborations: Throughout his career, Ohkuma has collaborated with talented individuals in the industry, including Masashi Miyagawa and Masanori Takenouchi. Together, they have synergized their skills and knowledge to create groundbreaking innovations that have redefined conventional norms.

Conclusion: Norio Ohkuma's inventive spirit and commitment to excellence have solidified his position as a visionary inventor in the realm of technology. His pioneering patents and collaborative efforts serve as a testament to his ingenuity and relentless pursuit 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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