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Osaki Electric Co., Ltd.

USPTO Granted Patents = 10

CIPO Patents = 1

Forward Citations = 115

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16 inventors (with patents filed for the assignee):

Yoshiaki Takeuchi (4 out of 21 patents)

Masatoshi Takagi (2 out of 11 patents)

Yukio Arai (2 out of 4 patents)

4. Juro Kikuchi (2 out of 3 patents)

5. Yasuyuki Mizushima (2 out of 5 patents)

6. Masayasu Endo (2 out of 2 patents)

7. Hiroki Takahashi (2 out of 5 patents)

8. Masaru Watanabe (1 out of 18 patents)

9. Ikuo Fukuzaki (1 out of 1 patent)

10. Eiichi Kawashima (1 out of 1 patent)

11. Kyohei Shinozaki (1 out of 1 patent)

12. Kazumi Watanabe (1 out of 1 patent)

13. Yoshio Shindo (1 out of 1 patent)

14. Hiroyasu Onishi (1 out of 1 patent)

15. Takahiro Kimijima (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 7321463 - In-line optical isolator (2008-01-22),

2. 7043119 - Fiber collimator array (2006-05-09),

3. 6862383 - Arrayed optical device (2005-03-01),

4. 6625350 - Fiber collimator array (2003-09-23),

5. 5173178 - Water purifying apparatus with timed discharge after non-use periods (1992-12-22),

6. 4988972 - Method for transmitting and receiving signals over transmission power (1991-01-29),

7. 4744093 - Method of detecting phase pulse signals from an AC distribution line (1988-05-10),

8. 4563679 - Carrier control method by using phase-pulse signals (1986-01-07),

9. 4179624 - Carrier control method by using phase-pulse signals (1979-12-18),

10. 4092590 - Electronic three-phase four-wire system watt-hour meter (1978-05-30),

Osaki Electric Co., Ltd. is a leading Japanese company specializing in the design, manufacture, and distribution of electrical products and solutions. With a history dating back to 1958, Osaki Electric has established a strong reputation for delivering high-quality, reliable products to customers worldwide. The company's diverse product range includes power distribution equipment, control systems, and energy management solutions. With a commitment to innovation and sustainability, Osaki Electric continues to drive technological advancements in the electrical industry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

10 Patents

#1,687 in Tokyo

#4,288 in Japan

#54,348 in the World

Osaki Electric Co., Ltd.

Forward Citations = 115

16 inventors:

Yoshiaki Takeuchi (4 out of 21 patents)

Masatoshi Takagi (2 out of 11 patents)

Yukio Arai (2 out of 4 patents)

4. Juro Kikuchi (2 out of 3 patents)

5. Yasuyuki Mizushima (2 out of 5 patents)

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