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For the Inventor, By the Inventor

Tokyo, Japan

Jfe Holdings, Inc.


USPTO Granted Patents = 3

Forward Citations = 90

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10 inventors (with patents filed for the assignee):

goldMedal Yotaro Ohno (3 out of 10 patents)

silverMedal Masatsugu Mizuguchi (3 out of 11 patents)

bronzeMedal Masami Ono (3 out of 8 patents)

4.  Tsutomu Shikada (3 out of 17 patents)

5.  Kaoru Fujimoto (2 out of 9 patents)

6.  Takashi Ogawa (2 out of 53 patents)

7.  Keiichi Okuyama (1 out of 8 patents)

8.  Seiji Aoki (1 out of 6 patents)

9.  Keiji Tomura (1 out of 7 patents)

10.  Takashi Ogawa (1 out of 41 patents)


3 patents:

1. 7033972 - Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl ether (2006-04-25),
2. 7015255 - Medium oil for slurry-bed reaction process and process of producing dimethyl ether (2006-03-21),
3. 6800665 - Method for producing dimethyl ether (2004-10-05),
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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#3,271 in Tokyo

#8,780 in Japan

...
Tokyo, Japan

Jfe Holdings, Inc.

Forward Citations = 90

10 inventors:

goldMedal Yotaro Ohno (3 out of 10 patents)

silverMedal Masatsugu Mizuguchi (3 out of 11 patents)

bronzeMedal Masami Ono (3 out of 8 patents)

4.  Tsutomu Shikada (3 out of 17 patents)

5.  Kaoru Fujimoto (2 out of 9 patents)

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