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For the Inventor, By the Inventor

Nagano, Japan

Osamu Nakamura

This inventor holds 15 USPTO granted patents, primarily in Ink Jet Technology. Top assignee: Seiko Epson Corporation. Active years: 1991-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Nakamura. Retrieved from https://idiyas.com/inventor/osamu-nakamura-w8udvk3j

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 8

Forward Citations = 219(Granted Patents)


Location History:

  • Suwa, JP (1991 - 1996)
  • Nagano, JP (1991 - 2001)

Company Filing History:

goldMedal15 out of 34,333 
 
Seiko Epson Corporation
 patents

Years Active: 1991-2001

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Areas of Expertise:
Ink Jet Recording Head
Ink Supply
Hot Melt Printing
Thermal Printer
Print Head
Manufacturing Method
Positioning Mechanism
Ribbon Guiding
On-Demand Printing
Cartridge Design
Head Components
Solid Ink
15 patents (USPTO):Explore Patents
1. 6286942 - Ink jet recording head with mechanism for positioning head components (2001-09-11),
2. 6048052 - Ink jet recording head (2000-04-11),
3. 5764257 - Ink jet recording head (1998-06-09),
4. 5630274 - Method of making an ink jet recording head (1997-05-20),
5. 5517225 - Ink jet recording head (1996-05-14),
6. D354982 - Inkjet head (1995-01-31),
7. 5375326 - Method of manufacturing ink jet head (1994-12-27),
8. 5341164 - Solid ink supply for ink jet (1994-08-23),
9. 5105209 - Hot melt ink jet printing apparatus (1992-04-14),
10. 5072240 - On-demand type ink jet print head (1991-12-10),
11. 5052832 - Print head and roller biasing mechanism for a hand held thermal printer (1991-10-01),
12. 5030972 - Solid ink supply for ink jet (1991-07-09),
13. 5020928 - Ribbon guiding mechanism (1991-06-04),
14. 4998120 - Hot melt ink jet printing apparatus (1991-03-05),
15. D314971 - Ink ribbon cartridge (1991-02-26),

Title: Osamu Nakamura: Innovator in Ink Jet Technology

Introduction

Osamu Nakamura is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of ink jet technology, holding a total of 15 patents. His innovative designs have advanced the capabilities of ink jet recording heads, making them more efficient and effective.

Latest Patents

Nakamura's latest patents include an ink jet recording head with a mechanism for positioning head components. This invention involves a plate-shaped piezoelectric element that is precisely positioned and fixed onto a fixing plate. The piezoelectric element is then sliced into numerous vibrators, which are held in positioning holes formed in a holding frame. This design enhances the accuracy and reliability of the ink jet recording process. Another notable patent is for an ink jet recording head that features at least four nozzle opening rows. These rows are staggered in a unique manner to reduce the maximum distance between vertically adjacent dots, thereby improving print quality.

Career Highlights

Osamu Nakamura has dedicated his career to advancing ink jet technology. He works at Seiko Epson Corporation, a leading company in the printing and imaging industry. His work has not only contributed to the company's success but has also set new standards in the field of ink jet printing.

Collaborations

Throughout his career, Nakamura has collaborated with talented individuals such as Hisashi Miyazawa and Minoru Usui. These collaborations have fostered innovation and have led to the development of groundbreaking technologies in ink jet printing.

Conclusion

Osamu Nakamura's contributions to ink jet technology are invaluable. His innovative patents and collaborations have significantly impacted the industry, making him a key figure in the advancement of 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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