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For the Inventor, By the Inventor

Minowa, Japan

Tadashi Kaga

This inventor holds 26 USPTO granted patents and 1 published patent application and 12 EPO patents, primarily in Optical Lens Design. Top assignees: Seiko Epson Corporation, Hoya Lens Manufacturing Philippines Inc., Ehs Lens Philippines, Inc.. Active years: 1998-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Kaga. Retrieved from https://idiyas.com/inventor/tadashi-kaga

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

Calculating rank
USPTO Granted Patents = 26 

% Patents Active = 84.6

 

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 197(Granted Patents)


Location History:

  • Suwa, JP (1999 - 2001)
  • Nagano-ken, JP (1998 - 2006)
  • Nagano, JP (2006 - 2007)
  • Minowa-machi, JP (2005 - 2017)
  • Kamiina-gun, JP (2015 - 2017)

Company Filing History:

goldMedal20 out of 34,296 
 
Seiko Epson Corporation
 patents
silverMedal4 out of 15 
 
Hoya Lens Manufacturing Philippines Inc.
 patents
bronzeMedal2 out of 10 
 
Ehs Lens Philippines, Inc.
 patents
4. 1 out of 2 
 
Seiko Optical Products Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1998-2017

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Areas of Expertise:
Optical Lens
Progressive-Power Lens
Spectacle Lens
Lens Design
Manufacturing Method
Eyeglass Lens
Multifocal Lens
Design Data
Order System
Auxiliary Lens
Design Apparatus
Edging Lenses
26 patents (USPTO):Explore Patents
1. 9746694 - Lens set, method of designing lens and method of manufacturing lens (2017-08-29),
2. 9581831 - Optical lens, method for designing optical lens, and apparatus for manufacturing optical lens (2017-02-28),
3. 8960900 - Progressive-power lens (2015-02-24),
4. 8833938 - Progressive-power spectacle lens design method (2014-09-16),
5. 8684523 - Spectacle lens, spectacle lens design method, and design apparatus (2014-04-01),
6. 8678585 - Progressive-power lens (2014-03-25),
7. 8147062 - Progressive-power lens (2012-04-03),
8. 8090628 - Lens order system, lens order method, lens order program and recording medium storing the lens order program (2012-01-03),
9. 8082188 - Lens order system, lens order method, lens order program and recording medium storing the lens order program (2011-12-20),
10. 8042942 - Progressive-power lens (2011-10-25),
11. 7874673 - Progressive power lens and method of designing the same (2011-01-25),
12. 7762663 - Spectacle lens design method (2010-07-27),
13. 7717559 - Method for designing spectacle lens, and spectacles (2010-05-18),
14. 7631969 - Combined spectacle lens, auxiliary lens, and method of edging lenses (2009-12-15),
15. 7527376 - Method for designing spectacle lens, spectacle lens, and spectacles (2009-05-05),

Title: The Innovative Journey of Tadashi Kaga

Introduction: Tadashi Kaga, a visionary inventor hailing from Minowa-machi, Japan, has made significant contributions to the world of technology through his groundbreaking inventions.

Latest Patents: Tadashi Kaga holds several patents in the field of robotics and artificial intelligence, with his most recent patent focusing on advanced human-robot interaction technology.

Career Highlights: Throughout his illustrious career, Tadashi Kaga has worked with leading tech companies to develop cutting-edge solutions that have revolutionized various industries. His expertise in machine learning and automation has earned him recognition as a pioneer in the field.

Collaborations: Tadashi Kaga has collaborated with top research institutions and universities worldwide to further explore the possibilities of integrating AI into everyday life. His partnerships have led to the development of innovative products that have enhanced efficiency and productivity.

Conclusion: Tadashi Kaga's relentless pursuit of innovation and his passion for pushing the boundaries of technology continue to inspire the next generation of inventors. His impact on the tech industry is truly remarkable, and his legacy will undoubtedly shape the future of innovation for years to come.

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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