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For the Inventor, By the Inventor

Nagano, Japan

Yoshio Nakazawa

This inventor holds 13 USPTO granted patents and 1 EPO patent. Top assignee: Seiko Epson Corporation. Active years: 1986-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Nakazawa. Retrieved from https://idiyas.com/inventor/yoshio-nakazawa

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

USPTO Granted Patents = 13

% Patents Active = 53.8


Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 96(Granted Patents)


Location History:

  • Suwa, JP (1986 - 2003)
  • Nagano-ken, JP (2002 - 2009)
  • Chino, JP (2010 - 2016)

Company Filing History:

goldMedal13 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 1986-2016

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13 patents (USPTO):Explore Patents
1. 9457563 - Liquid discharging apparatus (2016-10-04),
2. 9434159 - Liquid discharging apparatus (2016-09-06),
3. 8311459 - Developing apparatus, image forming apparatus, image forming method, and toner (2012-11-13),
4. 7680427 - Image forming apparatus (2010-03-16),
5. 7532827 - Image-forming apparatus (2009-05-12),
6. 7184677 - Image forming apparatus for transferring respective toner colors on a transfer medium (2007-02-27),
7. 6832060 - Image forming apparatus and method for processing a plurality of toner colors onto a transfer medium (2004-12-14),
8. 6633737 - Image forming device having transfer registration control (2003-10-14),
9. 6597878 - Apparatus for measuring quantity of toner, and image forming apparatus comprising measuring apparatus (2003-07-22),
10. 6415114 - Image forming apparatus and method (2002-07-02),
11. 6341203 - Image forming apparatus and method with adjustable image density factor (2002-01-22),
12. 4899141 - Matrix panel with an active driving system (1990-02-06),
13. 4591848 - Matrix panel with an active driving system (1986-05-27),

Title: Innovations of Yoshio Nakazawa

Introduction

Yoshio Nakazawa is a prominent inventor based in Nagano-ken, Japan. He has made significant contributions to the field of inkjet printing technology, holding a total of 13 patents. His work has greatly influenced the efficiency and functionality of liquid discharging apparatuses.

Latest Patents

Among his latest innovations is a liquid discharging apparatus designed for inkjet printers. This invention features a driving signal generating section that produces a driving signal for a piezoelectric element. It also includes a residual vibration detecting section and a control IC that integrates these components. The design ensures that the resistance value per unit length of the second external wiring is greater than that of the first, enhancing the printer's performance. Another notable patent involves a piezoelectric element corresponding to a pressure chamber, which discharges liquid droplets. This invention incorporates a driving signal generating section and a residual vibration detecting section that monitors changes in electromotive force, optimizing the printing process.

Career Highlights

Yoshio Nakazawa is currently employed at Seiko Epson Corporation, where he continues to innovate in the field of printing technology. His expertise and inventions have played a crucial role in advancing the capabilities of inkjet printers.

Collaborations

Throughout his career, Nakazawa has collaborated with notable colleagues, including Kuniaki Tanaka and Nozomu Inoue. Their combined efforts have led to significant advancements in the technology they work on.

Conclusion

Yoshio Nakazawa's contributions to inkjet printing technology through his numerous patents highlight his innovative spirit and dedication to improving liquid discharging apparatuses. His work continues to influence the industry and pave the way for future advancements.

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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