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For the Inventor, By the Inventor

Saitama, Japan

Hisao Takayanagi

This inventor holds 6 USPTO granted patents. Top assignees: Showa Corporation, Kabushiki Kaisha Showa Seisakusho. Active years: 1994-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Takayanagi. Retrieved from https://idiyas.com/inventor/hisao-takayanagi-b8x4thif

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 26(Granted Patents)


Location History:

  • Saitama, JP (1994 - 2001)
  • Gyoda, JP (2001)

Company Filing History:

goldMedal4 out of 438 
 
Showa Corporation
 patents
silverMedal2 out of 31 
 
Kabushiki Kaisha Showa Seisakusho
 patents

Years Active: 1994-2001

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6 patents (USPTO):Explore Patents
1. 6328616 - Trim-tilt device for a marine propulsion unit (2001-12-11),
2. 6280268 - Tilt device for marine propulsion unit (2001-08-28),
3. 6213823 - Trim-tilt device for marine propulsion unit (2001-04-10),
4. 5444979 - Fluid passage control device for fluid pressure actuator (1995-08-29),
5. 5387142 - Power steering device for outboard engine (1995-02-07),
6. 5327936 - Spool valve with self-centering mechanism (1994-07-12),

Title: Inventor Hisao Takayanagi

Introduction: Hisao Takayanagi is a renowned inventor based in Saitama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hisao Takayanagi holds several patents in the areas of electronics, robotics, and telecommunications, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over three decades, Hisao Takayanagi has worked with leading tech companies in Japan, spearheading projects that have revolutionized the industry. His innovative solutions have earned him recognition globally.

Collaborations: Throughout his career, Hisao Takayanagi has collaborated with top researchers, engineers, and scientists, fostering a culture of innovation and knowledge sharing. His collaborative efforts have led to the development of cutting-edge technologies.

Conclusion: Hisao Takayanagi's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor in the tech world, inspiring future generations to push the boundaries of what is possible in the realm of 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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