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For the Inventor, By the Inventor

Kawasaki, Japan

Oki Densen Kabushiki Kaisha

Calculating rank
USPTO Granted Patents = 7

Forward Citations = 134

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15 inventors (with patents filed for the assignee):

goldMedal Masao Sasaki (2 out of 39 patents)

silverMedal Arifumi Tomikawa (2 out of 2 patents)

bronzeMedal Wataru Maruoka (2 out of 2 patents)

4.  Hironori Ishizuka (2 out of 2 patents)

5.  Masahiro Izaki (1 out of 2 patents)

6.  Jiro Tanuma (1 out of 57 patents)

7.  Isao Izui (1 out of 1 patent)

8.  Junichi Mori (1 out of 1 patent)

9.  Tetsuo Imamura (1 out of 1 patent)

10.  Hisateru Akachi (1 out of 1 patent)

11.  Hideo Miyajima (1 out of 1 patent)

12.  Mitsuro Yaguchi (1 out of 1 patent)

13.  Eiichi Ikeda (1 out of 1 patent)

14.  Ikuo Kayama (1 out of 1 patent)

15.  Kazuo Wada (1 out of 1 patent)


7 patents:

1. 5445534 - Double lock male/female type connector (1995-08-29),
2. D328890 - Electrical connector (1992-08-25),
3. 4992625 - Ribbon cable with sheath (1991-02-12),
4. 4623207 - Printed circuit board connector (1986-11-18),
5. 4579408 - Electrical connector structure with release and locking mechanism (1986-04-01),
6. 4448837 - Pressure-sensitive conductive elastic sheet (1984-05-15),
7. 4012894 - Conductor twisting system for twisting a running wire conductor (1977-03-22),
Company Overview
Oki Densen Kabushiki Kaisha is a leading electronics company based in Japan, specializing in the design and manufacture of high-quality electronic components and equipment. With over 60 years of experience, Oki Densen Kabushiki Kaisha is known for its innovative products and solutions that cater to a wide range of industries, including telecommunications, automotive, and industrial automation.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

7 Patents

#68 in Kawasaki

#5,464 in Japan

Kawasaki, JP
Kawasaki, Japan

Oki Densen Kabushiki Kaisha

Forward Citations = 134

15 inventors:

goldMedal Masao Sasaki (2 out of 39 patents)

silverMedal Arifumi Tomikawa (2 out of 2 patents)

bronzeMedal Wataru Maruoka (2 out of 2 patents)

4.  Hironori Ishizuka (2 out of 2 patents)

5.  Masahiro Izaki (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Oki Densen Kabushiki Kaisha. Retrieved from https://idiyas.com/company/oki-densen-kabushiki-kaisha

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]
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