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For the Inventor, By the Inventor

Chiba, Japan

Seiko Instruments Inc

Calculating rank
USPTO Granted Patents = 2,903

% Expired Patents = 32.9



Trademarks = 3

Forward Citations = 26,768

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1,418 inventors (with patents filed for the assignee):

goldMedal Manabu Oumi (82 out of 85 patents)

silverMedal Takashi Niwa (75 out of 80 patents)

bronzeMedal Jun Osanai (71 out of 72 patents)

4.  Akihiro Iino (67 out of 67 patents)

5.  Yasuyuki Mitsuoka (64 out of 67 patents)

6.  Yoshikazu Kojima (62 out of 73 patents)

7.  Norio Chiba (60 out of 62 patents)

8.  Hiroaki Takasu (58 out of 64 patents)

9.  Nobuyuki Kasama (55 out of 63 patents)

10.  Norimitsu Sanbongi (54 out of 54 patents)

11.  Yoshinori Sato (54 out of 100 patents)

12.  Haruki Hiranuma (53 out of 53 patents)

13.  Kazumi Sakumoto (51 out of 54 patents)

14.  Masao Kasuga (50 out of 50 patents)

15.  Kenji Kato (49 out of 73 patents)


Core Competencies:
Thermal Printer
Electrochemical Cell
Rolling Bearing
Control Device
Printing System
Timepiece Movement
Portable Terminal
Motor Control
Nonaqueous Electrolyte
Mechanical Component
Communication System
Hairspring

2,903 patents:

1. 12607227 - Rolling bearing, rotating device, and method for manufacturing rolling bearing (2026-04-21),
2. 12600146 - Control device, printer apparatus, and control method (2026-04-14),
3. 12590606 - Rolling bearing, rotation device, and method for manufacturing rolling bearing (2026-03-31),
4. 12533891 - Printer (2026-01-27),
5. 12454983 - Rolling bearing, rotating device, and method for manufacturing rolling bearing (2025-10-28),
6. 12447759 - Portable terminal, printing control method, and program (2025-10-21),
7. 12432305 - System and method for controlling label printing (2025-09-30),
8. 12344008 - Printing unit and portable terminal (2025-07-01),
9. 12338860 - Rolling bearing, rotating device, and method for manufacturing rolling bearing (2025-06-24),
10. 12333193 - Terminal device, program, and printing system (2025-06-17),
11. 12326173 - Rolling bearing, rotating device, and method for manufacturing rolling bearing (2025-06-10),
12. 12304197 - Thermal printer (2025-05-20),
13. 12280607 - Printing unit and portable terminal (2025-04-21),
14. 12220907 - Printing apparatus, control method, program, information processing apparatus, and printing system (2025-02-11),
15. 12194738 - Thermal printer (2025-01-14),
Company Overview
Seiko Instruments Inc., headquartered in Chiba, Japan, specializes in advanced thermal printer technology and related innovations. The company develops a range of products including thermal printers, electrochemical cells, and control devices, catering to diverse applications in printing systems and portable terminals. With a strong focus on precision engineering, Seiko Instruments also delves into timepiece movements and motor control technologies, positioning itself as a key player in the fields of printing and electronic components.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Seiko Instruments Inc USPTO Patent Assignee Logo
2,903 Patents

#1 in Chiba

#84 in Japan

#326 in the World

Chiba, JP
Chiba, Japan

Seiko Instruments Inc

Forward Citations = 26,768

1,418 inventors:

goldMedal Manabu Oumi (82 out of 85 patents)

silverMedal Takashi Niwa (75 out of 80 patents)

bronzeMedal Jun Osanai (71 out of 72 patents)

4.  Akihiro Iino (67 out of 67 patents)

5.  Yasuyuki Mitsuoka (64 out of 67 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiko Instruments Inc. Retrieved from https://idiyas.com/company/seiko-instruments

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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