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For the Inventor, By the Inventor

Hino, Japan

Takeshi Yokoi

This inventor holds 60 USPTO granted patents and 3 published patent applications and 14 EPO patents, primarily in Capsule Medical Devices (CPC class 128-). Top assignees: Olympus Corporation, Olympus Optical Company, Ltd., Olympus Medical Systems Corporation. Active years: 1988-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Yokoi. Retrieved from https://idiyas.com/inventor/takeshi-yokoi

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

USPTO Granted Patents = 60 

% Patents Active = 58.3

 

Average Co-Inventor Count = 3.9

ph-index = 25

Forward Citations = 3,192(Granted Patents)

Forward Citations (Not Self Cited) = 3,130(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Fuchu, JP (1992)
  • Hachioji, JP (1988 - 1996)
  • Tokyo, JP (1988 - 2014)
  • Hino, JP (1992 - 2014)

Company Filing History:

goldMedal39 out of 8,306 
 
Olympus Corporation
 patents
silverMedal18 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
bronzeMedal5 out of 1,262 
 
Olympus Medical Systems Corporation
 patents
4. 1 out of 597 
 
Asics Corporation
 patents
5. 1 out of 5,234 
 
Casio Computer Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-2025

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Areas of Expertise:
Capsule Medical Apparatus
Endoscope System
In-Vivo Imaging
Medical Device
Capsule Type Device
Indwelling Apparatus
Lumen Checking
Medical Equipment
Portable Imaging
Gastrointestinal Tract
Body Cavity Treatment
Introduction-Assisting Apparatus
60 patents (USPTO):Explore Patents
1. 12426806 - Display control method, display control device and storage medium (2025-09-30),
2. 8790248 - Indwelling apparatus for body cavity introducing device and body cavity introducing device placing system (2014-07-29),
3. 8753265 - Encapsulated endoscope system in which endoscope moves in lumen by itself and rotation of image of region to be observed is ceased (2014-06-17),
4. 8731637 - Intra-subject medical system, method of operating body-insertable apparatus and operative treatment (2014-05-20),
5. 8491464 - In-vivo information acquiring apparatus, in-vivo information acquiring system, and in-vivo information acquiring method (2013-07-23),
6. 8454495 - Capsule medical apparatus (2013-06-04),
7. 8439851 - Lumen passability checking device, lumen passability checking method, and method of manufacturing lumen passability checking device (2013-05-14),
8. 8419629 - Encapsulated endoscope system in which endoscope moves in lumen by itself and rotation of image of region to be observed is ceased (2013-04-16),
9. 8303490 - Capsule type medical device system, and capsule type medical device (2012-11-06),
10. 8269823 - In vivo imaging device, display device, imaging and displaying system and intra-subject indwelling system using the same (2012-09-18),
11. 8257257 - Capsule type medical device (2012-09-04),
12. 8100888 - Capsulated medical equipment (2012-01-24),
13. 8091164 - Introduction-assisting apparatus for capsule medical device (2012-01-10),
14. 8089508 - Capsule type medical system (2012-01-03),
15. 8062210 - Encapsulated endoscope system in which endoscope moves in lumen by itself and rotation of image of region to be observed is ceased (2011-11-22),

Title: Innovations of Takeshi Yokoi in Endoscopic Technology

Introduction

Takeshi Yokoi, a renowned inventor from Hino, Japan, has made significant contributions to the field of medical technology. With an impressive portfolio of 59 patents, his focus on endoscopic devices has driven advancements in minimally invasive medical procedures. His work is characterized by innovative designs and systems that improve patient care and procedural efficiency.

Latest Patents

Among Takeshi Yokoi's latest inventions are two groundbreaking patents that enhance endoscopic capabilities. The first is an "Indwelling apparatus for body cavity introducing device and body cavity introducing device placing system." This invention includes a control device featuring an optical sensor and a control board that manages a reset circuit. The device employs an electromagnet to operate a capsule endoscope only when observation is necessary, thereby reducing battery drain and improving the practicality of long-term monitoring.

The second patent is for an "Encapsulated endoscope system in which endoscope moves in lumen by itself and rotation of image of region to be observed is ceased." This system features an encapsulated endoscope that rotates to generate thrust, along with a controller that guides its movement. The integration of an imaging unit and an image processing unit allows for the seamless capture and processing of images, enhancing the overall diagnostic capabilities of the device.

Career Highlights

Throughout his career, Takeshi Yokoi has collaborated with leading companies in the medical technology sector, notably Olympus Corporation and Olympus Optical Company, Ltd. His work has continually pushed the bounds of endoscopic technology, contributing to advancements in patient diagnostics and treatment methodologies.

Collaborations

Yokoi has worked alongside talented engineers such as Hironobu Takizawa and Hidetake Segawa. Together, they have continued to innovate in medical instrumentation, ensuring that their contributions have lasting impacts on healthcare practices around the world.

Conclusion

Takeshi Yokoi's innovations have significantly shaped the landscape of endoscopic technologies. With a strong foundation of patents and collaborative efforts in the industry, his work holds promise for continued advancements in medical procedures, ultimately leading to better patient outcomes. Through his dedication to innovation, Yokoi exemplifies the spirit of progress in healthcare technology.

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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