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For the Inventor, By the Inventor

Kanagawa, Japan

Nobuyuki Kaku

This inventor holds 62 USPTO granted patents and 3 EPO patents, primarily in Display Technology (CPC class 360 ). Top assignees: Hitachi, Ltd., Hitachi Maxell, Limited, Hitachi Consumer Electronics Co., Ltd.. Active years: 1986-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Kaku. Retrieved from https://idiyas.com/inventor/nobuyuki-kaku

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

USPTO Granted Patents = 62

% Patents Active = 90.3

 

Average Co-Inventor Count = 4.2

ph-index = 9

Forward Citations = 345(Granted Patents)

Forward Citations (Not Self Cited) = 313(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Naka, JP (1994)
  • Yokohama, JP (1986 - 1997)
  • Kanagawa-ken, JP (1996 - 2004)
  • Naka-gun, JP (1998 - 2006)
  • Kanagawa, JP (1994 - 2010)
  • Oiso-machi, JP (1998 - 2010)
  • Oiso, JP (2010 - 2013)

Company Filing History:

goldMedal54 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal8 out of 1,112 
 
Hitachi Maxell, Limited
 patents
bronzeMedal2 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
4. 2 out of 67 
 
Hitachi Video Engineering, Incorporated
 patents
5. 1 out of 11 
 
Fipa Frohwitter Intellectual Property Ag
 patents
6. 1 out of 56 
 
Hitachi Maxwell, Ltd.
 patents
7. 1 out of 9 
 
Hitachi Video Eng. Inc.
 patents
8. 1 out of 1 
 
Hitachi, Ltd., and Hitachi Video and Information Systems, Inc.
 patent
9. 4 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2013

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Areas of Expertise:
Display Apparatus
Image Display
Liquid Crystal Display
Projection Type Display
Optical Equipment
Cooling System
Information Management
Ventilation Paths
Optical Unit
Cartridge Changer
Magnetic Tape
Tape Cassette
62 patents (USPTO):Explore Patents
1. 8576350 - Image displaying apparatus (2013-11-05),
2. 8405960 - Display apparatus (2013-03-26),
3. 8368822 - Display apparatus for displaying an image (2013-02-05),
4. 8085534 - Flat display apparatus to optimally radiate heat (2011-12-27),
5. 8023062 - Image display apparatus (2011-09-20),
6. 7946713 - Display apparatus (2011-05-24),
7. 7924366 - Image displaying apparatus (2011-04-12),
8. 7843525 - Liquid crystal display appliance (2010-11-30),
9. 7832871 - Optical equipment with at least first and second ventilation paths (2010-11-16),
10. 7796206 - Image displaying apparatus (2010-09-14),
11. 7706541 - Information management apparatus (2010-04-27),
12. 7441904 - Projection type display apparatus with ventilation (2008-10-28),
13. 7175284 - Projection type display apparatus (2007-02-13),
14. 7152978 - Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same (2006-12-26),
15. 7021768 - Optical apparatus (2006-04-04),

Title: The Innovative Journey of Nobuyuki Kaku

Introduction: Nobuyuki Kaku is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nobuyuki Kaku 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, Nobuyuki Kaku has worked with leading tech companies and research institutions, playing a pivotal role in the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Nobuyuki Kaku has collaborated with top engineers, scientists, and researchers from around the globe, fostering a culture of innovation and knowledge exchange that has led to numerous successful projects and inventions.

Conclusion: Nobuyuki Kaku's passion for innovation, coupled with his relentless pursuit of excellence, has solidified his position as a trailblazer in the world of technology, inspiring future generations of inventors to dream big and 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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