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For the Inventor, By the Inventor

Suwa, Japan

Yasuhiro Ouki

This inventor holds 7 USPTO granted patents. Top assignees: Seiko Epson Corporation, Orient Chemical Industries, Ltd.. Active years: 1994-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Ouki. Retrieved from https://idiyas.com/inventor/yasuhiro-ouki

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 115(Granted Patents)


Location History:

  • Suwa, JP (1996 - 1999)
  • Nagano, JP (1994 - 2002)

Company Filing History:

goldMedal7 out of 34,238 
 
Seiko Epson Corporation
 patents
silverMedal1 out of 128 
 
Orient Chemical Industries, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1994-2002

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7 patents (USPTO):Explore Patents
1. 6431674 - Ink-jet recording head that minutely vibrates ink meniscus (2002-08-13),
2. 5948154 - Color ink set for ink-jet recording (1999-09-07),
3. 5795970 - Mixed disazo-dye composition and black aqueous ink composition (1998-08-18),
4. 5753016 - Ink composition excellent in reproduction of black color and ink jet (1998-05-19),
5. 5647897 - Ink composition for ink jet recording (1997-07-15),
6. 5502470 - Ink jet recording head and process for producing the same (1996-03-26),
7. 5312517 - Method of forming a nozzle for an ink-jet printer head (1994-05-17),

Title: Yasuhiro Ouki: Innovator in Ink-Jet Technology

Introduction

Yasuhiro Ouki is a prominent inventor based in Suwa, Japan. He has made significant contributions to the field of ink-jet technology, holding a total of 7 patents. His innovative designs have advanced the capabilities of ink-jet recording systems, making them more efficient and effective.

Latest Patents

One of his latest patents is for an ink-jet recording head that minutely vibrates the ink meniscus. This invention includes an ink-jet recording apparatus featuring pressure generating chambers that are connected to a nozzle opening and a reservoir. The pressure generating member pressurizes these chambers, while a control device applies drive signals to the pressure generating member. These drive signals not only correspond to print data but also include signals that vibrate the ink meniscus in the nozzle openings without ejecting ink droplets during non-print periods. This technology allows for precise ejection of ink droplets in accordance with print data during printing operations, enhancing the overall printing quality.

Career Highlights

Throughout his career, Yasuhiro Ouki has worked with notable companies such as Seiko Epson Corporation and Orient Chemical Industries, Ltd. His work has been instrumental in developing advanced ink-jet technologies that are widely used in the industry today.

Collaborations

Yasuhiro has collaborated with talented individuals in his field, including Hiroko Hayashi and Miharu Kanaya. These partnerships have contributed to the success of his innovative projects and patents.

Conclusion

Yasuhiro Ouki's contributions to ink-jet technology have made a lasting impact on the industry. His inventive spirit and dedication to innovation continue to inspire advancements in printing technology.

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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