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For the Inventor, By the Inventor

Pasadena, CA, United States of America

Oyo Corporation U.s.a.


USPTO Granted Patents = 3


Forward Citations = 106

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8 inventors (with patents filed for the assignee):

goldMedal Hiromasa Shima (1 out of 1 patent)

silverMedal David Thomas Iseley (1 out of 1 patent)

bronzeMedal Kenzi Karasaki (1 out of 1 patent)

4.  Toru Goebuchi (1 out of 1 patent)

5.  Ko Sano (1 out of 1 patent)

6.  Hiroyuki Iinuma (1 out of 1 patent)

7.  Ernest M Hall (1 out of 12 patents)

8.  Fred W Hefer (1 out of 2 patents)


3 patents:

1. 7164476 - Apparatus and method for detecting pipeline defects (2007-01-16),
2. 4663747 - Variflux vibration transducer (1987-05-05),
3. 4525819 - Horizontal geophone transducer assembly (1985-06-25),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#130 in Pasadena, CA

#16,838 in California

#73,766 in US

Pasadena, CA (US)
Pasadena, CA, United States of America

Oyo Corporation U.s.a.

Forward Citations = 106

8 inventors:

goldMedal Hiromasa Shima (1 out of 1 patent)

silverMedal David Thomas Iseley (1 out of 1 patent)

bronzeMedal Kenzi Karasaki (1 out of 1 patent)

4.  Toru Goebuchi (1 out of 1 patent)

5.  Ko Sano (1 out of 1 patent)

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