logo

For the Inventor, By the Inventor

Miyagi, Japan

Ichiro Tokunaga

This inventor holds 27 USPTO granted patents and 5 published patent applications and 7 EPO patents, primarily in Magnetic Sensors. Top assignee: Alps Electric Co., Ltd.. Active years: 1986-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ichiro Tokunaga. Retrieved from https://idiyas.com/inventor/ichiro-tokunaga

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

Calculating rank
USPTO Granted Patents = 27 

% Patents Active = 74.1

 

Average Co-Inventor Count = 2.5

ph-index = 9

Forward Citations = 214(Granted Patents)


Location History:

  • Furukawa, JP (1986 - 1992)
  • Miyagi, JP (1992)
  • Miyagi-ken, JP (2001 - 2011)

Company Filing History:

goldMedal27 out of 4,048 
 
Alps Electric Co., Ltd.
 patents

Years Active: 1986-2011

Loading Chart...
Loading Chart...
Areas of Expertise:
Magnetic Encoder
Angle Sensor
GMR Sensor
Magnetic Switch
Seat Position Sensor
Optical Encoder
Rotary Encoder
Light Transmission Device
Magnetic Recording Medium
Precision Gap Magnetic Encoder
Optical Switch
Magnetic Movement Sensing Device
27 patents (USPTO):Explore Patents
1. 7876091 - Magnetic encoder (2011-01-25),
2. 7521924 - Member position detection apparatus not affected by external magnetic field (2009-04-21),
3. 7405560 - GMR angle sensor for vehicles (2008-07-29),
4. 7265540 - Angle sensor having low waveform distortion (2007-09-04),
5. 7231313 - Method of calculating compensation value for angle detecting sensor and angle detecting sensor using the method (2007-06-12),
6. 7193411 - Angle sensor having low waveform distortion (2007-03-20),
7. 6920684 - Assembling method for producing a magnetic sensor with high output accuracy (2005-07-26),
8. 6900713 - Magnetic switch capable of instantaneous switching of an output signal and magnetic sensor (2005-05-31),
9. 6683544 - Seat position sensor (2004-01-27),
10. 6640652 - Rotation angle sensor capable of accurately detecting rotation angle (2003-11-04),
11. 6539329 - Apparatus for detecting rotational angle by employing two or more detection signals based on rotational angle and rotational direction of rotating member (2003-03-25),
12. 6191577 - Magnetic sensor exhibiting large change in resistance at low external magnetic field (2001-02-20),
13. 5117319 - Magnetic movement sensing device (1992-05-26),
14. 5081756 - Methods for assembling and adjusting a magnetic encoder device (1992-01-21),
15. 5035960 - Magnetic recording medium for magnetic encoder (1991-07-30),

Title: The Innovative Journey of Ichiro Tokunaga

Introduction: Ichiro Tokunaga, a visionary inventor hailing from Miyagi-ken, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Ichiro Tokunaga's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and storage solutions.

Career Highlights: With a career spanning over two decades, Ichiro Tokunaga has established himself as a leading figure in the renewable energy sector. His innovative approach to problem-solving has led to the development of cutting-edge technologies that have revolutionized the industry.

Collaborations: Throughout his career, Ichiro Tokunaga has collaborated with top research institutions and universities to further his research and bring his inventions to life. His partnerships with leading experts have resulted in the successful implementation of his groundbreaking ideas.

Conclusion: Ichiro Tokunaga's passion for innovation and dedication to creating a sustainable future have solidified his position as a pioneering inventor in the field of renewable energy. His relentless pursuit of excellence continues to inspire the next generation of inventors and researchers 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]
Loading…