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% Expired Patents = 20.0

Forward Citations = 13

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12 inventors (with patents filed for the assignee):

Shinichi Tanaka (4 out of 18 patents)

Koichi Tanaka (2 out of 16 patents)

Takumi Sone (2 out of 2 patents)

4. Yukihiro Sato (2 out of 2 patents)

5. Kei Demizu (2 out of 2 patents)

6. Noriyoshi Tsuji (2 out of 3 patents)

7. Mikio Hata (1 out of 3 patents)

8. Taiki Yasuda (1 out of 2 patents)

9. Eiichi Ishii (1 out of 1 patent)

10. Hideo Kakutani (1 out of 1 patent)

11. Tetsuhiro Sakata (1 out of 1 patent)

12. Sachio Nagata (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 11646414 - Positive electrode active material for alkaline storage battery, and method for producing positive electrode active material for alkaline storage battery (2023-05-09),

2. 9376742 - Wear-resistant member made of titanium metal (2016-06-28),

3. 7291229 - Method of surface treatment of titanium metal (2007-11-06),

4. 5908671 - Method of forming a coating of glass-like carbon on titanium metal (1999-06-01),

5. 5466305 - Method of treating the surface of titanium (1995-11-14),

Tanaka Limited is a global leader in the manufacturing and distribution of high-quality electronic products. With a strong focus on innovation and customer satisfaction, Tanaka Limited has built a reputation for excellence in the industry. Our diverse range of products includes smartphones, tablets, laptops, and other electronic devices, all designed to meet the needs of today's tech-savvy consumers. Visit our website to learn more about our products and services.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#717 in Osaka

#6,649 in Japan

Osaka, Japan

Tanaka Limited