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Ryuichi Yamamoto

USPTO Granted Patents = 6

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 26(Granted Patents)

Location History:

Enmeiji, JP (1980)
Omuta, JP (1979 - 1981)
Shirogane, JP (1981)
Ohmuta, JP (1983)

Company Filing History:

Mitsui Toatsu Chemicals, Incorporated

Years Active: 1979-1983

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4422976 - Continuous preparation of organic isocyanates (1983-12-27),

2. 4299766 - Process for preparing alicyclic isocyanates (1981-11-10),

3. 4279838 - Process for the preparation of aminoaryl thiophosphates and aminoaryl (1981-07-21),

4. 4256672 - Process for the preparation of phosphoric esters and thiophosphoric (1981-03-17),

5. 4193932 - Process for preparing organic isocyanates (1980-03-18),

6. 4139562 - Process for purifying crude p-aminophenol (1979-02-13),

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