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For the Inventor, By the Inventor

Tokyo, Japan

Keiji Sakai

USPTO Granted Patents = 19

 

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 337(Granted Patents)


Location History:

  • Bunkyo-ku, JP (2016)
  • Tokyo, JP (2001 - 2019)

Company Filing History:

goldMedal6 out of 42,496 
 
Hitachi, Ltd.
 patents
silverMedal6 out of 2,874 
 
Hitachi-high-technologies Corporation
 patents
bronzeMedal3 out of 138 
 
Laurel Bank Machines Company, Ltd.
 patents
4. 2 out of 29 
 
The Foundation for the Promotion of Industrial Science
 patents
5. 2 out of 1,285 
 
The University of Tokyo
 patents
6. 2 out of 17 
 
Kyoto Electronics Manufacturing Company, Limited
 patents
7. 2 out of 53 
 
Laurel Precision Machines Co., Ltd.
 patents
8. 1 out of 90,697 
 
Canon Kabushiki Kaisha
 patents
9. 1 out of 1,112 
 
Hitachi Maxell, Limited
 patents
10. 1 out of 832,843 
Other
 patents
where one patent can have more than one assignee

Years Active: 2001-2019

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19 patents (USPTO):Explore Patents
1. 10184872 - Viscosity/elasticity measurement device and measurement method (2019-01-22),
2. 10168267 - Rotational speed detection device, viscosity measurement device using the device, rotational speed detection method, and rotating object used in the method (2019-01-01),
3. 9518908 - Fluid mechanical property measurement method and measurement device (2016-12-13),
4. 9372141 - Viscosity measuring apparatus (2016-06-21),
5. 8757348 - Paper money input and output device (2014-06-24),
6. 8365582 - Device for measuring viscosity/elasticity and method for measuring viscosity/elasticity (2013-02-05),
7. 7940383 - Method of detecting defects on an object (2011-05-10),
8. 7882942 - Coin bar storage (2011-02-08),
9. 7692779 - Apparatus and method for testing defects (2010-04-06),
10. 7639350 - Apparatus and method for testing defects (2009-12-29),
11. 7625673 - Electrode material for electrochemical element and method for production thereof, and electrochemical element (2009-12-01),
12. 7486403 - Droplet shape measuring method and apparatus (2009-02-03),
13. 7443496 - Apparatus and method for testing defects (2008-10-28),
14. 7098055 - Apparatus and method for testing defects (2006-08-29),
15. 7037735 - Apparatus and method for testing defects (2006-05-02),

Title: Keiji Sakai - Innovative Inventor from Tokyo

Introduction: Keiji Sakai is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Keiji Sakai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Keiji Sakai has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Keiji Sakai has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Keiji Sakai's passion for pushing the boundaries of technology and his relentless pursuit of excellence make him a true pioneer in the world of inventions and innovations.

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