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For the Inventor, By the Inventor

Tokyo, Japan

Masao Doi

This inventor holds 17 USPTO granted patents and 6 published patent applications and 2 EPO patents. Top assignee: Mitaka Kohki Co., Ltd.. Active years: 2000-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Doi. Retrieved from https://idiyas.com/inventor/masao-doi

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

USPTO Granted Patents = 17 

% Patents Active = 23.5

 

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 62(Granted Patents)


Location History:

  • Fuchu, JP (2003 - 2015)
  • Tokyo, JP (2000 - 2019)

Company Filing History:

goldMedal17 out of 66 
 
Mitaka Kohki Co., Ltd.
 patents

Years Active: 2000-2019

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17 patents (USPTO):Explore Patents
1. 10295816 - Surgical microscope (2019-05-21),
2. 9822922 - Medical stand apparatus (2017-11-21),
3. 9746659 - Surgical microscope system (2017-08-29),
4. 9563045 - Surgical microscope apparatus and sealed drape (2017-02-07),
5. 9459437 - Surgical microscope system (2016-10-04),
6. 9400079 - Automatic balancing structure of medical balancing stand (2016-07-26),
7. 8979042 - Automatic balancing structure of medical balancing stand (2015-03-17),
8. 8955817 - Base anchoring structure (2015-02-17),
9. 8910537 - Holding arm apparatus for medical tool (2014-12-16),
10. 8885250 - Surgical microscope system (2014-11-11),
11. 8634133 - Surgical microscope with a movable illumination part (2014-01-21),
12. 8270073 - Surgical microscope system (2012-09-18),
13. 7982864 - Optical measuring system (2011-07-19),
14. 6816304 - Variable magnification microscope (2004-11-09),
15. 6563633 - Microscope for MRI and support stand for MRI (2003-05-13),

Title: The Innovative Journey of Masao Doi

Introduction: Masao Doi is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masao Doi holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his diverse range of expertise and innovative thinking.

Career Highlights: With a career spanning over two decades, Masao Doi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Masao Doi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Masao Doi'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 landscape of inventions and patents.

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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