Kokubunji, Japan

Takeshi Maeda

This inventor holds 211 USPTO granted patents and 6 published patent applications and 7 EPO patents, primarily in Surgical Systems (CPC class 369 59). Top assignees: Hitachi, Ltd., Sony Corporation, Sanyo Electric Co., Ltd.. Active years: 1978-2026.

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

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

Calculating rank
USPTO Granted Patents = 211 

% Patents Active = 75.4

 

Average Co-Inventor Count = 3.5

ph-index = 31

Forward Citations = 3,257(Granted Patents)

Forward Citations (Not Self Cited) = 3,097(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Kokubunji, JA (1978)
  • Kokubuji, JP (1982)
  • Odawara, JP (1985)
  • Kikubunji, JP (1985)
  • Kokubunji-shi, JP (1988)
  • Katano, JP (2002)
  • Musashino, JP (2003)
  • Tsukuba, JP (2002 - 2005)
  • Miyagi, JP (2006 - 2007)
  • Osaka, JP (2001 - 2008)
  • Kokubunji, JP (1979 - 2011)
  • Yokosuka, JP (1998 - 2012)
  • Koganei, JP (2007 - 2014)
  • Tokyo, JP (1978 - 2024)

Company Filing History:

goldMedal168 out of 42,752 
 
Hitachi, Ltd.
 patents
silverMedal19 out of 58,150 
 
Sony Corporation
 patents
bronzeMedal5 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
4. 4 out of 46 
 
Hitachi Video and Information System, Inc.
 patents
5. 3 out of 4,304 
 
Sony Group Corporation
 patents
6. 2 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
7. 2 out of 1,112 
 
Hitachi Maxell, Limited
 patents
8. 2 out of 56 
 
Hitachi Maxwell, Ltd.
 patents
9. 2 out of 10 
 
Hitachi Microsoftware Systems, Inc.
 patents
10. 2 out of 53,315 
 
Kabushiki Kaisha Toshiba
 patents
11. 2 out of 1,174 
 
Nippon Sheet Glass Company, Limited
 patents
12. 2 out of 2,903 
 
Seiko Instruments Inc
 patents
13. 1 out of 90 
 
Advanced Telecommunications Research Institute International
 patents
14. 1 out of 1,207 
 
Hitachi Displays, Ltd.
 patents
15. 1 out of 1,238 
 
Panasonic Liquid Crystal Display Co., Ltd.
 patents
16. 1 out of 28,970 
 
Ricoh Company, Ltd.
 patents
17. 4 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2026

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Areas of Expertise:
Surgical Arm System
Medical Safety Control
Information Processing
Surgical Imaging
Control Device
Optical Recording
Liquid Crystal Display
Signal Transmission
Mobile Terminal
Pointing Device
Information Storage
Communication Device
211 patents (USPTO):Explore Patents

Title: Takeshi Maeda: Revolutionizing Surgical Innovations

Introduction:

Takeshi Maeda, a renowned inventor hailing from Kokubunji, Japan, is making groundbreaking contributions to the field of surgical technology. With an impressive portfolio of 203 patents, Maeda's ingenious inventions are redefining the boundaries of surgical systems and control devices. This article, in collaboration with iDIYAS.com, explores Maeda's latest patents, career highlights, and notable collaborations, shedding light on his exceptional contributions to the medical field.

Latest Patents:

Two of Maeda's recent patents have captured the attention of the medical community. The first one is the Surgical Arm System and Surgical Arm Control System, which addresses the challenge of preventing the loss of sight of an observation target during surgery. This inventive system utilizes an articulated arm capable of supporting an oblique-viewing endoscope, offering enhanced control over its position and posture. The control system adjusts the rotation and movement speed of the endoscope based on the position of the observation target, ensuring a precise and uninterrupted view.

The second noteworthy patent is the Control Device, Control Method, and Surgical System. This invention aims to alleviate the burden on surgical operators by allowing them to perform complex operations effortlessly. By controlling multiple operation patterns of a surgical instrument simultaneously, the device uses the operator's motion as a trigger, streamlining the surgical process. This breakthrough technology enhances efficiency and reduces the risk of operator fatigue, ultimately benefiting both the medical staff and the patients.

Career Highlights:

Takeshi Maeda's passion for innovation and dedication to his craft have been evident throughout his illustrious career. He has made significant contributions to renowned companies such as Hitachi Co., Ltd and Sony Corporation, where he harnessed his expertise in cutting-edge technology to drive advancements in surgical systems.

Collaborations:

Maeda's impactful work in the field of surgical innovation has often been a collaborative effort. Notably, his collaborations with esteemed individuals such as Harukazu Miyamoto and Atsushi Saito have resulted in the development of groundbreaking medical technologies. These fruitful partnerships have enriched the field and led to the successful implementation of novel ideas and concepts.

Conclusion:

Takeshi Maeda's remarkable career journey stands as a testament to his relentless pursuit of innovation within the realm of medical technology. With over 200 patents to his name, his groundbreaking inventions continue to redefine surgical approaches, enhancing both precision and efficiency. As a visionary inventor, his collaborations and contributions have propelled the field of surgical innovations forward, inspiring the next generation of inventors and revolutionizing patient care.

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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