% Expired Patents = 100.0

Forward Citations = 0

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11 inventors (with patents filed for the assignee):

Yoshiteru Taka (1 out of 12 patents)

Junichi Horigome (1 out of 33 patents)

Keiji Jitsukawa (1 out of 8 patents)

4. Yusuke Izumiya (1 out of 3 patents)

5. Manabu Obata (1 out of 26 patents)

6. Kiyoshi Omori (1 out of 34 patents)

7. Hisashi Negoro (1 out of 5 patents)

8. Mitsuru Iba (1 out of 1 patent)

9. Shunsuke Nirei (1 out of 3 patents)

10. Tomoyasu Takaoka (1 out of 5 patents)

11. Kiyoaki Tsuji (1 out of 7 patents)

4 patents: Sort by Forward Citations

1. 8356313 - Reduced thickness disc drive apparatus (2013-01-15),

2. 8141109 - Disc drive apparatus and electronic apparatus (2012-03-20),

3. 8098560 - Light spot position control apparatus and light spot position control method (2012-01-17),

4. 8074236 - Disk drive device and electronic apparatus (2011-12-06),

Sony Optiarc Inc. is a subsidiary of Sony Corporation specializing in optical disc and storage solutions. With a focus on developing cutting-edge technology, the company offers a wide range of products including DVD and Blu-ray drives, media players, and storage devices. Sony Optiarc is committed to delivering high-quality, innovative solutions to meet the needs of consumers and businesses worldwide.

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USPTO Data Jan 1 1976 - Sep 22 2026

4 Patents

#3,050 in Tokyo

#7,568 in Japan

Tokyo, Japan

Sony Optiarc Inc.