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Oki Electric Industry, Ltd.

USPTO Granted Patents = 13

% Expired Patents = 7.7

EPO Patents = 8

Forward Citations = 27

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39 inventors (with patents filed for the assignee):

Hiroto Kawada (3 out of 7 patents)

Kenichi Tanigawa (2 out of 9 patents)

Takuma Ishikawa (2 out of 7 patents)

4. Hironori Furuta (2 out of 14 patents)

5. Takahito Suzuki (2 out of 43 patents)

6. Toru Kosaka (2 out of 22 patents)

7. Yusuke Nakai (2 out of 17 patents)

8. Akihiro Iino (2 out of 2 patents)

9. Genichirou Matsuo (2 out of 3 patents)

10. Yuuki Shinohara (2 out of 4 patents)

11. Takenori Shimada (1 out of 3 patents)

12. Shinya Jumonji (1 out of 2 patents)

13. Shinya Jyumonji (1 out of 6 patents)

14. Chihiro Takahashi (1 out of 11 patents)

15. Hisatoshi Saito (1 out of 21 patents)

13 patents: Sort by Forward Citations

1. 12748833 - Password setting method and information processing device (2026-09-29),

2. 12727267 - Semiconductor device (2026-09-01),

3. 12687808 - Image formation apparatus and image formation method (2026-07-21),

4. 12681411 - Fixation device and image formation apparatus (2026-07-14),

5. 12663739 - Developer storage body including frame body having contact surface with holes and seal member contacting contact surface (2026-06-23),

6. 12625457 - Medium transport apparatus (2026-05-12),

7. 12598954 - Electronic structure and method of manufacturing the same (2026-04-07),

8. 12556510 - Communication apparatus and communication method (2026-02-17),

9. 12543598 - Light emitting device, semiconductor structure, method of manufacturing a thin-film layer, and method of manufacturing a light emitting device (2026-02-03),

10. 6704091 - Exposure apparatus and exposure method (2004-03-09),

11. 4890022 - Delay circuit device utilizing the Miller effect (1989-12-26),

12. 4666219 - Display unit with tilt mechanism (1987-05-19),

13. 4571721 - Composite concentration system (1986-02-18),

Oki Electric Industry, Ltd. is a Japanese multinational company that specializes in the manufacture and sale of telecommunications equipment, printers, information processing systems, and electronic devices. With a history dating back to 1881, Oki has a reputation for innovation and high-quality products. The company is committed to sustainable development and technology advancement.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

13 Patents

#1 in all of

#3,742 in Japan

#44,950 in the World

Oki Electric Industry, Ltd.

Forward Citations = 27

39 inventors:

Hiroto Kawada (3 out of 7 patents)

Kenichi Tanigawa (2 out of 9 patents)

Takuma Ishikawa (2 out of 7 patents)

4. Hironori Furuta (2 out of 14 patents)

5. Takahito Suzuki (2 out of 43 patents)

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