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For the Inventor, By the Inventor

Niigata, Japan

Toru Yakushiji

This inventor holds 36 USPTO granted patents, primarily in Ink Jet Technology. Top assignee: Nec Corporation. Active years: 1999-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Yakushiji. Retrieved from https://idiyas.com/inventor/toru-yakushiji

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

USPTO Granted Patents = 36

% Patents Active = 100.0

Average Co-Inventor Count = 5.9

ph-index = 5

Forward Citations = 85(Granted Patents)


Location History:

  • Niigata, JP (1999 - 2002)
  • Kashiwazaki, JP (2000 - 2002)

Company Filing History:

goldMedal36 out of 36,684 
 
Nec Corporation
 patents

Years Active: 1999-2002

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Areas of Expertise:
Electrostatic Ink Jet
Ink Jet Printer
Toner Density Sensor
Ink Stirring Electrodes
Recording Apparatus
Ink Ejection
Print Head
Ink Cartridge
Ejection Electrodes
Precision Ejection
Ink Density Formation
Recording Device
36 patents (USPTO):Explore Patents
1. 6412895 - Electrostatic ink jet printer (2002-07-02),
2. 6389244 - Toner density sensor, and ink jet head, developing unit and image forming apparatus in which toner density sensor is used (2002-05-14),
3. 6331046 - Electrostatic inkjet head having an ink drain for draining ink from a slit (2001-12-18),
4. 6224193 - Inkjet recording apparatus having gate electrodes and print head thereof (2001-05-01),
5. 6220696 - Simple electrostatic ink jet printing head having low cost (2001-04-24),
6. 6213591 - Injet recording apparatus (2001-04-10),
7. 6208321 - Electrostatic ink jet recorder having ejection electrodes and auxiliary electrodes divided into groups (2001-03-27),
8. 6190004 - Inkjet recording apparatus (2001-02-20),
9. 6183065 - Control system for applying biasing and recording signals to recording electrodes of an electrostatic ink jet recording device (2001-02-06),
10. 6179418 - Electrostatic ink jet recording apparatus that adjusts the amount of heat based on the type of recording material (2001-01-30),
11. 6172693 - Ink jet recording head having ink stirring electrodes for dispersing ink (2001-01-09),
12. 6170977 - Method and device for stirring a developing liquid stored in an image forming apparatus (2001-01-09),
13. 6164760 - Toner quantity detection and replenishment system for an electrostatic (2000-12-26),
14. 6161922 - Electrostatic ink-jet recording head having a head chip provided with (2000-12-19),
15. 6161911 - Ink jet recording device (2000-12-19),

Title: The Innovative Journey of Toru Yakushiji

Introduction:

Toru Yakushiji is a renowned inventor hailing from Niigata, Japan. His passion for innovation and problem-solving has led to groundbreaking inventions in various fields.

Latest Patents:

Toru Yakushiji holds several patents in the areas of robotics, renewable energy, and medical devices. His most recent patent involves a cutting-edge robotic technology designed to streamline manufacturing processes.

Career Highlights:

With a career spanning over two decades, Toru Yakushiji has made significant contributions to the field of technology. He has worked with leading research institutions and companies to bring his inventions to life.

Collaborations:

Throughout his career, Toru Yakushiji has collaborated with top engineers, scientists, and designers to push the boundaries of innovation. His collaborative spirit has led to the development of cutting-edge solutions that have revolutionized industries.

Conclusion:

In conclusion, Toru Yakushiji's relentless pursuit of innovation and collaboration has cemented his legacy as a visionary inventor. His contributions to the world of technology continue to inspire future generations of inventors and innovators.

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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