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Citizen Systems Japan Co., Ltd.

USPTO Granted Patents = 56

EPO Patents = 8

Forward Citations = 199

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41 inventors (with patents filed for the assignee):

Katsutoshi Mukaijima (10 out of 22 patents)

Akira Takahashi (9 out of 12 patents)

Gen Matsushima (9 out of 10 patents)

4. Yasuyuki Mori (8 out of 8 patents)

5. Hiroyuki Tsugaru (8 out of 11 patents)

6. Takeshi Yamazaki (7 out of 10 patents)

7. Yutaka Inokuchi (4 out of 6 patents)

8. Tetsuya Yamamoto (4 out of 39 patents)

9. Takuro Kohyama (3 out of 14 patents)

10. Yuichi Taguchi (3 out of 47 patents)

11. Shinichi Miyashita (3 out of 10 patents)

12. Takeo Komiyama (3 out of 10 patents)

13. Kazuya Matsumoto (3 out of 12 patents)

14. Masao Yoshizawa (2 out of 12 patents)

15. Tsuyoshi Sakaino (2 out of 3 patents)

Core Competencies:

Image Forming Apparatus

Thermal Transfer Printer

Printer Mechanism

Ink Ribbon Support

Paper Ejector Unit

Blood Pressure Monitor

Near-End Roll Detection

Cutter Unit

Paper Detecting Device

Portable Printer

Cover Opening Mechanism

Feeding Unit

56 patents: Sort by Forward Citations

1. 12370822 - Printer and bookbinding assisting tool (2025-07-29),

2. 11848126 - Cable stopper structure and image forming apparatus (2023-12-19),

3. 11820617 - Printer (2023-11-21),

4. 11815840 - Printer with housing for rolled paper (2023-11-14),

5. 11376865 - Printer (2022-07-05),

6. D952034 - Printer (2022-05-17),

7. 11059688 - Printer (2021-07-13),

8. 11046090 - Printer (2021-06-29),

9. 10875331 - Printer (2020-12-29),

10. 10870295 - Ink ribbon support mechanism, and printer (2020-12-22),

11. 10850541 - Printer (2020-12-01),

12. 10780708 - Printer (2020-09-22),

13. 10773533 - Printer (2020-09-15),

14. D892920 - Printer (2020-08-11),

15. D892919 - Printer (2020-08-11),

CITIZEN SYSTEMS JAPAN CO., LTD. is a leading global manufacturer of high-quality printers and label systems. With a wide range of products including barcode printers, pos printers, mobile printers, and industrial printers, Citizen Systems serves various industries like retail, logistics, healthcare, and manufacturing. The company is committed to delivering cutting-edge solutions and innovative technologies to meet the evolving needs of businesses worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

56 Patents

#661 in Tokyo

#1,567 in Japan

#12,351 in the World

Citizen Systems Japan Co., Ltd.

Forward Citations = 199

41 inventors:

Katsutoshi Mukaijima (10 out of 22 patents)

Akira Takahashi (9 out of 12 patents)

Gen Matsushima (9 out of 10 patents)

4. Yasuyuki Mori (8 out of 8 patents)

5. Hiroyuki Tsugaru (8 out of 11 patents)

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