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For the Inventor, By the Inventor

Nishikasugai-gun, Japan

Takemasa Yasukawa

This inventor holds 21 USPTO granted patents, primarily in Light Emitting Devices. Top assignees: Toyoda Gosei Co., Ltd., Nippondenso Co., Ltd., Other. Active years: 1986-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takemasa Yasukawa. Retrieved from https://idiyas.com/inventor/takemasa-yasukawa

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

USPTO Granted Patents = 21

% Patents Active = 81.0

Average Co-Inventor Count = 3.7

ph-index = 13

Forward Citations = 732(Granted Patents)


Location History:

  • Inazawa, JP (1986 - 1997)
  • Ichinomiya, JP (1990 - 1999)
  • Aichi-ken, JP (2002 - 2004)
  • Nishikasugai-gun, JP (2004 - 2005)
  • Aichi, JP (1987 - 2007)

Company Filing History:

goldMedal17 out of 3,086 
 
Toyoda Gosei Co., Ltd.
 patents
silverMedal1 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
bronzeMedal4 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2007

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Areas of Expertise:
White Light Emitting Device
Light Source Device
Semiconductor Light-Emitting Device
Light-Emitting Diode
LED Display Device
Vehicle Display Device
Wiper Blade Rubber
Rubber Layered Structure
Manufacturing Process
Light-Driven Display Device
Weather Strip
Wiper Blade
21 patents (USPTO):Explore Patents
1. 7227190 - White light emitting device (2007-06-05),
2. 6953265 - Light source device (2005-10-11),
3. 6831305 - Semiconductor light-emitting device (2004-12-14),
4. 6774405 - Light-emitting device (2004-08-10),
5. 6730942 - Light emitting apparatus (2004-05-04),
6. 6729746 - Light source device (2004-05-04),
7. 6713877 - Light-emitting diode (2004-03-30),
8. 6680490 - Light-emitting device (2004-01-20),
9. 6445011 - Light-emitting diode (2002-09-03),
10. 5949346 - Light-driven display device (1999-09-07),
11. 5815072 - Vehicle display device (1998-09-29),
12. 5741058 - LED display device (1998-04-21),
13. 5690768 - Manufacturing process of rubber layered structure (1997-11-25),
14. 5489461 - Rubber layered structure and manufacturing process therefor (1996-02-06),
15. 5085005 - Weather strip for motor vehicle (1992-02-04),

Title: The Innovator Spotlight: Takemasa Yasukawa

Introduction:

Takemasa Yasukawa is a visionary inventor hailing from Nishikasugai-gun, Japan, with an impressive track record of 21 patents to his name. His innovative work in the field of technology has left a lasting impact on the industry.

Latest Patents:

1. White light emitting device - Yasukawa's patented invention involves a unique method of incorporating purple LED with red, green, blue, and yellow phosphors to create a white light emitting device.

2. Light source device - Another of Yasukawa's patents revolutionizes light sources by using converging members and reflecting mirrors for efficient light distribution.

Career Highlights:

Throughout his career, Takemasa Yasukawa has showcased a remarkable dedication to pushing the boundaries of innovation. Working at companies like Toyoda Gosei Co., Ltd., he has actively contributed to the advancement of technology and lighting solutions.

Collaborations:

Yasukawa has collaborated with esteemed professionals in the industry, including Tadanobu Iwasa and Hiroshi Sugita. Their combined expertise has led to breakthrough inventions and cutting-edge developments in the field of technology.

Conclusion:

Takemasa Yasukawa's relentless pursuit of excellence and passion for innovation have cemented his place as a trailblazer in the world of inventions. His legacy will continue to inspire future generations and shape the trajectory of technology for years to come.

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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