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For the Inventor, By the Inventor

Yokohama, Japan

Ryozo Yamaguchi

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Chemical Industries Limited. Active years: 1978-1979.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal3 out of 614 
 
Mitsubishi Chemical Industries Limited
 patents

Years Active: 1978-1979

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3 patents (USPTO):Explore Patents
1. 4144254 - Process for the purification of steroids (1979-03-13),
2. 4143040 - Process for producing 17-acetals of 3-alkoxyestra-2,5 (10)-dien-17-ones (1979-03-06),
3. 4122080 - Process for producing 17-acetals of 3-alkoxyestra-2,5(10)-dien-17-ones (1978-10-24),
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