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Hitachi Printing Solutions, Ltd.

USPTO Granted Patents = 47

% Expired Patents = 42.6

Forward Citations = 186

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84 inventors (with patents filed for the assignee):

Hitoshi Kida (10 out of 58 patents)

Kunio Satou (10 out of 22 patents)

Takahiro Yamada (9 out of 62 patents)

4. Shinya Kobayashi (8 out of 75 patents)

5. Souichi Nakazawa (7 out of 18 patents)

6. Kazuo Shimizu (5 out of 26 patents)

7. Atsushi Miyamoto (4 out of 67 patents)

8. Keisuke Kubota (4 out of 39 patents)

9. Masahiro Mizuno (4 out of 22 patents)

10. Teruaki Mitsuya (4 out of 50 patents)

11. Tsuneaki Kawanishi (4 out of 24 patents)

12. Masayoshi Ishii (4 out of 13 patents)

13. Hiroyuki Mabuchi (3 out of 32 patents)

14. Satoru Tobita (3 out of 35 patents)

15. Kenichi Kugai (3 out of 15 patents)

Core Competencies:

Inkjet Recording Head

Electrophotographic Printer

Image Forming Apparatus

Laser Power Correction

Multi-Color Printer

Web Printers

Defective Nozzle Detection

Ink Composition

Print Control Method

Electrostatic Toner

Ink Refresh Operation

Paper Ejection Apparatus

47 patents: Sort by Forward Citations

1. 7090340 - Inkjet recording head and inkjet recording apparatus using the same (2006-08-15),

2. 7079803 - Electrophotographic printer (2006-07-18),

3. 6882819 - Image forming apparatus for printing an image on both sides of a recording medium (2005-04-19),

4. 6876373 - Laser power correction method and device for the same (2005-04-05),

5. 6866366 - Inkjet printer and printer head (2005-03-15),

6. 6853829 - Multi-color printer and method therefor (2005-02-08),

7. 6843554 - Ink jet head and method of production thereof (2005-01-18),

8. 6842274 - Light scanner and image formation apparatus therewith (2005-01-11),

9. 6837574 - Line scan type ink jet recording device (2005-01-04),

10. 6829449 - Image forming apparatus with transfer bias inverting function (2004-12-07),

11. 6825457 - Two-dimensional beam writing position detecting device and image forming apparatus using the detecting device (2004-11-30),

12. 6814432 - Inkjet recording device and ink supplying device employed thereby (2004-11-09),

13. 6813462 - Electro-photographic developing unit (2004-11-02),

14. 6808329 - Paper ejection apparatus in a print apparatus (2004-10-26),

15. 6799507 - Web printers (2004-10-05),

Company Overview

Hitachi Printing Solutions, Ltd., based in Tokyo, specializes in advanced printing technologies, focusing on inkjet recording heads and electrophotographic printers. The company is dedicated to developing innovative image forming apparatuses and multi-color printers, enhancing printing quality and efficiency. Their expertise extends to laser power correction and electrostatic image developing toners, ensuring reliable performance in various printing applications. Hitachi Printing Solutions is committed to addressing the evolving needs of the printing industry through cutting-edge technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

47 Patents

#824 in Tokyo

#1,775 in Japan

#14,803 in the World

Hitachi Printing Solutions, Ltd.

Forward Citations = 186

84 inventors:

Hitoshi Kida (10 out of 58 patents)

Kunio Satou (10 out of 22 patents)

Takahiro Yamada (9 out of 62 patents)

4. Shinya Kobayashi (8 out of 75 patents)

5. Souichi Nakazawa (7 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Printing Solutions, Ltd.. Retrieved from https://idiyas.com/company/hitachi-printing-solutions

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

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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