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Tohoku Ricoh Co., Ltd.

USPTO Granted Patents = 234

EPO Patents = 1

Forward Citations = 1,917

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197 inventors (with patents filed for the assignee):

Hideaki Matsuda (24 out of 24 patents)

Mitsuo Sato (21 out of 28 patents)

Mituru Takahashi (20 out of 20 patents)

4. Hironobu Takasawa (14 out of 15 patents)

5. Tomiya Mori (13 out of 14 patents)

6. Genzi Oshino (12 out of 14 patents)

7. Satoshi Katoh (10 out of 16 patents)

8. Hideyuki Kagawa (10 out of 10 patents)

9. Hiroshi Tateishi (9 out of 19 patents)

10. Yoshiyuki Shishido (9 out of 11 patents)

11. Yasumitsu Yokoyama (9 out of 10 patents)

12. Matsuo Yomogida (8 out of 9 patents)

13. Keiichi Chiba (8 out of 9 patents)

14. Fumiaki Arai (8 out of 17 patents)

15. Yoshihiro Takahashi (7 out of 48 patents)

Core Competencies:

Inkjet Printing

Stencil Printing

Duplex Printing

Image Forming Apparatus

Optical Deflector

Emulsion Ink

Sheet Feeding Device

Thermosensitive Stencil

Printing System

Ultraviolet Irradiation

Hydrodynamic Bearing

Bar Code Reader

234 patents: Sort by Forward Citations

1. 8364065 - Image forming apparatus and image forming system (2013-01-29),

2. 8186823 - Inkjet recording method and inkjet recording apparatus (2012-05-29),

3. 8152264 - Inkjet printing apparatus (2012-04-10),

4. 8074978 - Sheet feeding device and image-forming apparatus (2011-12-13),

5. 8042463 - Coating device and coating unit in a stencil printing apparatus (2011-10-25),

6. 8033217 - Stencil printing apparatus (2011-10-11),

7. 7995236 - Printer having plural sheet feeding apparatuses with variable print speeds (2011-08-09),

8. 7971528 - Used-master security system for a printing apparatus (2011-07-05),

9. 7963220 - Stencil printing apparatus (2011-06-21),

10. 7960070 - Electrocatalyst for ethanol oxidation and direct ethanol fuel cell using the same (2011-06-14),

11. 7891292 - Printing method and printing apparatus (2011-02-22),

12. 7882781 - Duplex printing apparatus having control unit to control printing speed (2011-02-08),

13. 7878117 - Stencil printing apparatus having controlled thermal head for perforating stencil (2011-02-01),

14. 7849793 - Double-sided stencil printing apparatus (2010-12-14),

15. 7832332 - Printing device and ultraviolet irradiation apparatus (2010-11-16),

Tohoku Ricoh Co., Ltd. is a leading provider of office equipment and IT solutions in the Tohoku region of Japan. The company offers a wide range of products and services, including printers, copiers, and multifunction devices, as well as document management solutions and IT consulting services. With a strong focus on innovation and customer satisfaction, Tohoku Ricoh is committed to helping businesses improve efficiency and productivity.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

234 Patents

#16 in

#610 in Japan

#3,552 in the World

Tohoku Ricoh Co., Ltd.

Forward Citations = 1,917

197 inventors:

Hideaki Matsuda (24 out of 24 patents)

Mitsuo Sato (21 out of 28 patents)

Mituru Takahashi (20 out of 20 patents)

4. Hironobu Takasawa (14 out of 15 patents)

5. Tomiya Mori (13 out of 14 patents)

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