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Sii Printek Inc.

USPTO Granted Patents = 185

% Expired Patents = 37.8

EPO Patents = 98

Forward Citations = 207

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77 inventors (with patents filed for the assignee):

Osamu Koseki (31 out of 45 patents)

Yuzuru Kubota (22 out of 23 patents)

Yuki Yamamura (19 out of 19 patents)

4. Yoshinori Domae (19 out of 24 patents)

5. Toshiaki Watanabe (18 out of 71 patents)

6. Hitoshi Nakayama (17 out of 17 patents)

7. Satoshi Horiguchi (17 out of 18 patents)

8. Daichi Nishikawa (14 out of 14 patents)

9. Kensuke Yoshida (10 out of 10 patents)

10. Kazuyoshi Tominaga (10 out of 14 patents)

11. Daiki Irokawa (8 out of 8 patents)

12. Masakazu Hirata (7 out of 36 patents)

13. Takanori Koyano (6 out of 6 patents)

14. Masaru Midorikawa (6 out of 7 patents)

15. Shunsuke Yamazaki (6 out of 6 patents)

Core Competencies:

Liquid Jet Head

Recording Device

Head Chip

Manufacturing Method

Ejection Apparatus

Drive Board

Flexible Board

Jet Parameter Generation

Positioning Structure

Cleaning Device

Driving Circuit

Inkjet Printers

185 patents: Sort by Forward Citations

1. 12734809 - Cleaning device for liquid jet head and liquid jet recording apparatus (2026-09-15),

2. 12691689 - Liquid jet head, liquid jet recording apparatus, and method of controlling liquid jet head (2026-07-28),

3. 12611863 - Liquid ejection head chip, liquid jet head, and liquid jet recording device for ejecting liquid (2026-04-28),

4. 12600132 - Head chip, liquid jet head, liquid jet recording device, and method of manufacturing head chip (2026-04-14),

5. 12539710 - Liquid jet head, liquid jet recording device, and method of manufacturing liquid jet head (2026-02-03),

6. 12533881 - Head chips and related devices for inkjet printers (2026-01-27),

7. 12533879 - Head chip, liquid jet head, and liquid jet recording device (2026-01-27),

8. 12520421 - Flexible board, liquid jet head, and liquid jet recording device (2026-01-06),

9. 12508807 - Head chip, liquid jet head, liquid jet recording device, and method of manufacturing head chip (2025-12-30),

10. 12508806 - Drive device, drive board, liquid jet head, and liquid jet recording device (2025-12-30),

11. 12496824 - Liquid jet head, liquid jet recording device, and method of assembling liquid jet head (2025-12-16),

12. 12496823 - Liquid jet head, liquid jet recording device, and method of manufacturing liquid jet head (2025-12-16),

13. 12491710 - Drive board, liquid jet head, and liquid jet recording device (2025-12-09),

14. 12427766 - Drive board, liquid jet head, and liquid jet recording device (2025-09-30),

15. 12337599 - Head chip, liquid jet head, liquid jet recording device, and method of manufacturing head chip (2025-06-24),

SII PRINTEK INC. is a leading provider of printing and labeling solutions. With years of experience in developing innovative printing technologies, the company offers a wide range of high-quality printing products and services. Their portfolio includes thermal printers, barcode printers, label printers, and more. SII PRINTEK INC. is committed to delivering reliable and efficient printing solutions to various industries worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

185 Patents

#7 in Chiba

#748 in Japan

#4,526 in the World

Sii Printek Inc.

Forward Citations = 207

77 inventors:

Osamu Koseki (31 out of 45 patents)

Yuzuru Kubota (22 out of 23 patents)

Yuki Yamamura (19 out of 19 patents)

4. Yoshinori Domae (19 out of 24 patents)

5. Toshiaki Watanabe (18 out of 71 patents)

Please report any incorrect information to [email protected]

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