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For the Inventor, By the Inventor

Chiba, Japan

Nobuyuki Kasama

This inventor holds 63 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Near-Field Optics (CPC class G11B). Top assignees: Seiko Instruments Inc, Miraial Co., Ltd., Seiko Instruments R & D Center Inc.. Active years: 1996-2019.

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

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

USPTO Granted Patents = 63 

% Patents Active = 58.7


Average Co-Inventor Count = 4.6

ph-index = 10

Forward Citations = 578(Granted Patents)

Forward Citations (Not Self Cited) = 523(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Mihama-ku, JP (2002)
  • Chiba-shi, Chiba JP (2004)
  • Chiba, JP (1996 - 2014)
  • Tokyo, JP (1996 - 2019)

Company Filing History:

goldMedal55 out of 2,903 
 
Seiko Instruments Inc
 patents
silverMedal5 out of 71 
 
Miraial Co., Ltd.
 patents
bronzeMedal1 out of 18 
 
Seiko Instruments R & D Center Inc.
 patents
4. 1 out of 35 
 
Sumitomo Cement Co., Ltd.
 patents
5. 2 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1996-2019

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Areas of Expertise:
Near-Field Optical Head
Optical Microcantilever
Wafer Container
Information Reproducing Apparatus
Optical Aperture
Recording Medium
Optical Probe
Optical Waveguide
Light Beam Guiding
Near-Field Light
Recording Apparatus
Information Recording Device
63 patents (USPTO):Explore Patents
1. 10453723 - Gas purge filter (2019-10-22),
2. 8787128 - Near-field optical head having tapered hole for guiding light beam (2014-07-22),
3. 8397917 - Semiconductor wafer container (2013-03-19),
4. 8320228 - Near-field optical head having tapered hole for guiding light beam (2012-11-27),
5. 8289819 - Information reproducing apparatus and information reproducing method (2012-10-16),
6. 8079477 - Wafer container with cushion sheets (2011-12-20),
7. 7819252 - Wafer container with cushion sheet (2010-10-26),
8. 7630287 - Near field optical head and optical recording device (2009-12-08),
9. 7602692 - Near-field optical probe for reproducing information on a recording medium using near-field light (2009-10-13),
10. 7599277 - Near-field optical head having tapered hole for guiding light beam (2009-10-06),
11. 7588150 - Wafer container with cushion sheets (2009-09-15),
12. 7525880 - Near-field information reproducing apparatus and near-field information reproducing method (2009-04-28),
13. 7496250 - Optical microcantilever (2009-02-24),
14. 7366060 - Method for forming optical aperture, near-field optical head, method for fabricating near-field optical head, and information recording/reading apparatus (2008-04-29),
15. 7301888 - Recording apparatus (2007-11-27),

Title: The Innovative Journey of Nobuyuki Kasama

Introduction: Nobuyuki Kasama is a pioneering inventor hailing from Chiba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nobuyuki Kasama holds several patents in the realm of electronics and robotics, with his most recent inventions focusing on artificial intelligence integration in household appliances.

Career Highlights: With a career spanning over two decades, Nobuyuki Kasama has worked for various tech companies, leading research and development teams to create cutting-edge solutions. His expertise lies in merging traditional engineering principles with modern technological advancements.

Collaborations: Throughout his career, Nobuyuki Kasama has collaborated with renowned universities and research institutions in Japan, fostering a culture of innovation and knowledge-sharing. His partnerships have resulted in the development of revolutionary products that have redefined the industry standards.

Conclusion: Nobuyuki Kasama's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a visionary inventor in the global tech community. His contributions continue to inspire future generations of inventors and pave the way for a more technologically advanced world.

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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