Takao Tagawa

This inventor holds 30 USPTO granted patents, primarily in Display Technology. Top assignees: Sharp Kabushiki Kaisha Corporation, Other. Active years: 1977-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Tagawa. Retrieved from https://idiyas.com/inventor/takao-tagawa

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

USPTO Granted Patents = 30

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 17

Forward Citations = 1,137(Granted Patents)

Location History:

Kashihara, JA (1977)
Nara-ken, JP (1997)
Kashihara, JP (1981 - 2000)

Company Filing History:

29 out of 25,954

Sharp Kabushiki Kaisha Corporation

patents

1 out of 834,513

Other

patents

Years Active: 1977-2000

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Areas of Expertise:

Coordinate Detection

Display-Integrated Tablet

Image Recording

Portable Projection

Liquid Crystal Display

Electrophotographic

Optical System

Superconductor Detection

Document Reading

Corona Discharging

Automatic Exposure

Flying Spot Scanner

30 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6091030 - Method of detecting a position indicated by an electronic pen in a (2000-07-18),

2. 5854881 - Coordinate detection device capable of detecting coordinates using (1998-12-29),

3. 5854448 - Coordinate input device used for inputting characters and drawings into (1998-12-29),

4. 5825345 - Display-integrated type tablet device (1998-10-20),

5. 5798756 - Coordinate detection device capable of obviating the need of forming (1998-08-25),

6. 5738429 - Portable projection display apparatus (1998-04-14),

7. 5677744 - Reflection type input/output liquid crystal display (1997-10-14),

8. 5631666 - Display-integrated type tablet device (1997-05-20),

9. 5592197 - Display-integrated type tablet device (1997-01-07),

10. 5581274 - Display-integrated type tablet device (1996-12-03),

11. 5534892 - Display-integrated type tablet device having and idle time in one (1996-07-09),

12. 5534886 - Display-integrated type tablet device (1996-07-09),

13. 5491706 - Display-integrated type tablet device capable of detecting correct (1996-02-13),

14. 5442373 - Display-integrated type tablet device (1995-08-15),

15. 5430462 - Image input device-integrated type display device (1995-07-04),

Title: The Innovative Journey of Inventor Takao Tagawa

Introduction: Takao Tagawa, a pioneering inventor hailing from Kashihara, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Takao Tagawa holds several patents in various fields, including technology, healthcare, and engineering. His most recent patents focus on sustainable energy solutions and advanced robotics.

Career Highlights: Throughout his illustrious career, Takao Tagawa has been recognized for his inventive spirit and problem-solving skills. He has received numerous awards for his innovative contributions to society, showcasing his dedication to pushing the boundaries of technology.

Collaborations: Takao Tagawa has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His partnerships have been instrumental in turning his visionary ideas into tangible products that have made a positive impact on the world.

Conclusion: In conclusion, Takao Tagawa stands as a shining example of an inventor whose passion for innovation has led to groundbreaking discoveries. His relentless pursuit of excellence and commitment to creating a better future through his inventions continue to inspire generations of inventors and innovators worldwide.

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]