IDiyas

For the Inventor, By the Inventor

Sanjo, Japan

Masaaki Okada

USPTO Granted Patents = 17

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 102(Granted Patents)


Location History:

  • Yokohama, JP (1995)
  • Tokyo, JP (1996)
  • Sanjou, JP (1998)
  • Toda, JP (1998 - 1999)
  • Sanjyo, JP (2000)
  • Sanjo, JP (1998 - 2002)
  • Sanjoh, JP (2002)
  • Fukushima, JP (2003)

Company Filing History:

goldMedal17 out of 90,594 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1995-2003

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17 patents (USPTO):
1. 6669335 - Ink-jet printing head and ink-jet printing apparatus (2003-12-30),
2. 6557984 - Ink-jet printing head and ink-jet printing apparatus (2003-05-06),
3. 6450616 - Substrate with multiple heat generating elements for each ejection opening, ink jet printing head and ink-jet printing apparatus with same (2002-09-17),
4. 6382775 - Liquid ejecting printing head, production method thereof and production method for base body employed for liquid ejecting printing head (2002-05-07),
5. 6350027 - Ink tank structure (2002-02-26),
6. 6290335 - Ink-jet head, ink-jet cartridge, and ink jet recording apparatus (2001-09-18),
7. 6180018 - Ink jet printing head, manufacturing method therefor, and ink jet printing apparatus (2001-01-30),
8. 6179412 - Liquid discharging head, having opposed element boards and grooved member therebetween (2001-01-30),
9. 6062678 - Ink-jet recording head with a particular arrangement of thermoelectric (2000-05-16),
10. 6056393 - Ink-jet recording head and ink-jet cartridge (2000-05-02),
11. 5909287 - Image processing apparatus and method (1999-06-01),
12. 5886713 - Printhead and printing apparatus using the same (1999-03-23),
13. 5828386 - Recording head and apparatus for detecting contact condition (1998-10-27),
14. 5815181 - Micromachine, liquid jet recording head using such micromachine, and (1998-09-29),
15. 5757515 - Image processing method and apparatus (1998-05-26),

Title: Masaaki Okada: Innovator in Ink-Jet Printing Technology

Introduction

Masaaki Okada is a prominent inventor known for his significant contributions to the field of ink-jet printing technology. He is based in Sanjo, Japan, and has been awarded a total of 17 patents throughout his career. His innovative work has greatly influenced the efficiency and quality of ink-jet printing systems.

Latest Patents

One of Okada's latest patents involves an ink-jet printing head and an ink-jet printing apparatus designed to reduce fluctuations in the density of ink ejected from each nozzle. This technology allows for the ejection of ink with different densities from the same nozzle without altering the size of the ink droplet. Additionally, it enables the control of a mixture ink, which consists of multiple inks combined to form an image. The design includes several ejection openings, ink passages, and energy-generating elements, along with a mixing liquid chamber and individual liquid chambers that supply ink. A valve mechanism regulates the amount of ink supplied from these individual chambers, enhancing the overall printing process.

Career Highlights

Masaaki Okada has made remarkable strides in his career, particularly through his work at Canon Inc. His innovative patents have positioned him as a key figure in the development of advanced printing technologies. His expertise in ink-jet printing has led to significant improvements in print quality and efficiency.

Collaborations

Okada has collaborated with notable colleagues, including Hiroshi Sugitani and Masahiko Kubota. These partnerships have fostered a creative environment that has contributed to the advancement of ink-jet printing technologies.

Conclusion

Masaaki Okada's contributions to ink-jet printing technology have made a lasting impact on the industry. His innovative patents and collaborative efforts continue to shape the future of printing solutions.

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