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Ishikawa, Japan

Pfu Limited

Patents = 677

Trademarks = 1

Forward Citations = 4,989

where 'Filed Patents' based on already Granted Patents

where 'Inventors Filed' based on already Granted Patents

472 inventors (with patents filed for the assignee):

Satoshi Kuroda (56 out of 56 patents)

Minoru Sugitani (46 out of 46 patents)

Hiroyuki Kuroda (38 out of 38 patents)

4. Takayuki Umi (31 out of 31 patents)

5. Kiyoto Kosaka (31 out of 31 patents)

6. Masanobu Hongo (31 out of 31 patents)

7. Masanari Takabatake (28 out of 28 patents)

8. Toshiki Satoji (28 out of 29 patents)

9. Kiichi Taniho (26 out of 26 patents)

10. Shuichi Morikawa (25 out of 26 patents)

11. Shigeharu Okano (24 out of 24 patents)

12. Shuji Hashimoto (23 out of 23 patents)

13. Ryoichi Yasukawa (22 out of 22 patents)

14. Minoru Masuda (19 out of 76 patents)

15. Satoshi Ishida (19 out of 22 patents)

677 patents: Sort by Forward Citations

1. D1100908 - Scanner (2025-11-04),

2. 12448241 - Medium conveying apparatus to detect predetermined medium based on lift of medium (2025-10-21),

3. 12441566 - Medium conveyance apparatus to determine whether tilt angle of medium has changed based on time from when any sensor detects medium to when another sensor detects medium (2025-10-14),

4. 12415692 - Medium conveyance device (2025-09-16),

5. 12411806 - Control of deleting unnecessary data files after storing generated data files in external storage area (2025-09-09),

6. 12410026 - Medium conveyance device, control method, and control program (2025-09-09),

7. 12410023 - Medium conveying apparatus (2025-09-09),

8. 12384173 - Medium conveyance device, control method, and control program (2025-08-12),

9. 12365555 - Medium feed apparatus to put separation roller on hold until front end of medium passes separation part (2025-07-22),

10. D1083923 - Keyboard (2025-07-15),

11. 12351423 - Medium conveying apparatus detecting bound medium based on lift of medium (2025-07-08),

12. 12340030 - Keyboard apparatus in which touch pad is located based on Fitts's law (2025-06-24),

13. 12330904 - Medium conveying apparatus to detect multi-feed based on continuous overlap portion (2025-06-17),

14. 12330903 - Medium conveyance device, control method, and control program (2025-06-17),

15. 12326982 - Keyboard device, control method, and non-transitory recording medium (2025-06-10),

PFU Limited is a subsidiary of Fujitsu Limited, specializing in developing and manufacturing imaging and scanning solutions. With over 50 years of experience, PFU offers a range of advanced document scanners, image scanners, and enterprise content management solutions. Their products are widely used in government organizations, businesses, and personal use, providing efficient and reliable document management solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

677 Patents

#1 in Ishikawa

#298 in Japan

#1,431 in the World

Ishikawa, Japan

Pfu Limited

Forward Citations = 4,989

472 inventors:

Satoshi Kuroda (56 out of 56 patents)

Minoru Sugitani (46 out of 46 patents)

Hiroyuki Kuroda (38 out of 38 patents)

4. Takayuki Umi (31 out of 31 patents)

5. Kiyoto Kosaka (31 out of 31 patents)

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