For the Inventor, By the Inventor

Enter assignee name

Itami Works of Sumitomo Electric Industries, Ltd.

USPTO Granted Patents = 3

Forward Citations = 20

Loading Chart...

Loading Chart...

6 inventors (with patents filed for the assignee):

Hitoshi Oyama (3 out of 19 patents)

Takao Nishioka (3 out of 49 patents)

Kenji Matsunuma (3 out of 25 patents)

4. Hisanori Ohara (1 out of 15 patents)

5. Takatoshi Takikawa (1 out of 12 patents)

6. Kouichi Sogabe (1 out of 14 patents)

3 patents: Sort by Forward Citations

1. 6566990 - Electromagnetic actuator and valve-open-close mechanism (2003-05-20),

2. 6380832 - Electromagnetic actuator (2002-04-30),

3. 6367433 - Electromagnetic actuator and valve-open-close mechanism (2002-04-09),

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#134 in Hyogo

#8,771 in Japan

Itami Works of Sumitomo Electric Industries, Ltd.

Forward Citations = 20

6 inventors:

Hitoshi Oyama (3 out of 19 patents)

Takao Nishioka (3 out of 49 patents)

Kenji Matsunuma (3 out of 25 patents)

4. Hisanori Ohara (1 out of 15 patents)

5. Takatoshi Takikawa (1 out of 12 patents)

Please report any incorrect information to support@idiyas.com

Loading…