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Ricoh Printing Systems, Ltd.

USPTO Granted Patents = 129

EPO Patents = 1

Forward Citations = 517

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194 inventors (with patents filed for the assignee):

Takahiro Yamada (17 out of 61 patents)

Hitoshi Kida (16 out of 57 patents)

Shinya Kobayashi (12 out of 75 patents)

4. Satoru Tobita (10 out of 35 patents)

5. Tomohiko Koda (9 out of 16 patents)

6. Toshio Ogiso (8 out of 28 patents)

7. Chikara Hiraoka (7 out of 24 patents)

8. Takeshi Mochizuki (7 out of 39 patents)

9. Toru Hanashima (7 out of 12 patents)

10. Osamu Machida (7 out of 20 patents)

11. Kenji Asuwa (7 out of 13 patents)

12. Shintaro Yamada (6 out of 28 patents)

13. Shigenori Yaguchi (6 out of 37 patents)

14. Teruaki Mitsuya (6 out of 50 patents)

15. Kazuo Shimizu (6 out of 26 patents)

Core Competencies:

Inkjet Head

Image Forming Apparatus

Droplet Ejection Device

Electrophotographic Toner

Multi-Beam Light Source

Liquid Discharging Head

Sheet Feeder

Optical Recording Device

Inkjet Recording Device

Thin Film Formation

Microdroplet Ejection

Pneumatic Paper Feeding

129 patents: Sort by Forward Citations

1. 8351826 - Image forming method, image forming device, and image forming program (2013-01-08),

2. 8087761 - Liquid discharging head, method of manufacturing liquid discharging head, and image forming apparatus (2012-01-03),

3. 8003160 - Wiring substrate (2011-08-23),

4. 7914126 - Ink jet head manufacturing device, ink jet head manufacturing method, and ink jet device (2011-03-29),

5. 7887151 - Method for adjusting uniformity of liquid ejection from a liquid ejection head (2011-02-15),

6. 7745307 - Method of manufacturing an inkjet head through the anodic bonding of silicon members (2010-06-29),

7. 7744197 - Method for manufacturing inkjet recording head of inkjet recording device (2010-06-29),

8. 7695114 - Inkjet head and method of producing the same (2010-04-13),

9. 7681987 - Inkjet recording head (2010-03-23),

10. 7654652 - Ink jet head (2010-02-02),

11. 7651203 - Inkjet recording device, ejecting device provided therein, and method of calibrating ejection characteristic for droplet (2010-01-26),

12. 7651197 - Method of manufacturing an inkjet head through the anodic bonding of silicon members (2010-01-26),

13. 7648734 - Apparatus for forming thin film and method for forming the same (2010-01-19),

14. 7604311 - Droplet ejection device and droplet ejection method (2009-10-20),

15. 7588244 - Sheet feeder with optical sensor (2009-09-15),

Ricoh Printing Systems, Ltd. is a leading provider of innovative printing solutions. With a strong focus on quality and reliability, we offer a diverse range of printing products and services to cater to the needs of businesses worldwide. Our cutting-edge technologies, industry expertise, and commitment to sustainability make us a trusted partner for businesses looking to enhance their printing capabilities. Visit our website to learn more about our solutions and how we can help streamline your printing operations.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

129 Patents

#411 in Tokyo

#928 in Japan

#6,044 in the World

Ricoh Printing Systems, Ltd.

Forward Citations = 517

194 inventors:

Takahiro Yamada (17 out of 61 patents)

Hitoshi Kida (16 out of 57 patents)

Shinya Kobayashi (12 out of 75 patents)

4. Satoru Tobita (10 out of 35 patents)

5. Tomohiko Koda (9 out of 16 patents)

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