IDiyas

For the Inventor, By the Inventor

Hitachi, Japan

Kouji Otani

USPTO Granted Patents = 4

Average Co-Inventor Count = 4.8

ph-index = 3

Forward Citations = 50(Granted Patents)


Location History:

  • Hitachi, JA (1977 - 1978)
  • Hitachi, JP (1979 - 1980)

Company Filing History:

goldMedal4 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 56 
 
Hitachi Plant Engineering Construction Co., Ltd.
 patents
bronzeMedal1 out of 26 
 
Babcock-hitachi K.k.
 patents
where one patent can have more than one assignee

Years Active: 1977-1980

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4 patents (USPTO):Explore Patents
1. 4220858 - Apparatus for detecting change in water quality (1980-09-02),
2. 4154673 - Method of treatment of waste water containing sulfur compounds (1979-05-15),
3. 4085194 - Waste flue gas desulfurizing method (1978-04-18),
4. 4028237 - Method and apparatus for treatment of fluorine-containing waste waters (1977-06-07),
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