Forward Citations = 63

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11 inventors (with patents filed for the assignee):

Nobutoshi Takeda (5 out of 7 patents)

Tohru Mizuhashi (5 out of 7 patents)

Yoshihiro Matsuoka (5 out of 6 patents)

4. Hidetoku Iida (2 out of 6 patents)

5. Toshiya Kubo (2 out of 7 patents)

6. Takeyasu Nakayama (2 out of 6 patents)

7. Jiro Horigome (2 out of 2 patents)

8. Kazuhiko Terao (2 out of 5 patents)

9. Shigeru Ohmori (1 out of 1 patent)

10. Seiji Takemoto (1 out of 1 patent)

11. Noriaki Tokuda (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5845029 - Optical connector having means for positioning tilted convex surface of (1998-12-01),

2. 5559916 - Method for manufacturing optical fiber assembly with polished end-face, (1996-09-24),

3. 5463709 - End-face polished ferrule and its method of manufacture (1995-10-31),

4. 5461689 - Apparatus for and method of polishing optical connectors (1995-10-24),

5. 5412747 - Apparatus for and method of polishing optical connectors (1995-05-02),

Company Overview

Emit Seiko Co., Ltd. is a leading manufacturer of high-quality watches based in Japan. With over 50 years of experience in the industry, Emit Seiko is known for its precision engineering, innovative designs, and commitment to excellence. The company offers a wide range of timepieces for men and women, catering to various styles and preferences. Emit Seiko's watches combine traditional craftsmanship with modern technology, making them a popular choice among watch enthusiasts around the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#2,721 in Tokyo

#6,654 in Japan

Tokyo, Japan

Emit Seiko Co., Ltd.

Forward Citations = 63

11 inventors:

Nobutoshi Takeda (5 out of 7 patents)

Tohru Mizuhashi (5 out of 7 patents)

Yoshihiro Matsuoka (5 out of 6 patents)

4. Hidetoku Iida (2 out of 6 patents)

5. Toshiya Kubo (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Emit Seiko Co., Ltd.. Retrieved from https://idiyas.com/company/emit-seiko-company

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]