Company Filing History:

4 out of 1,586

Teijin Limited

Years Active: 1981-1993

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5200616 - Environment controllable scanning probe microscope (1993-04-06),

2. 4456553 - Vitamin D.sub.3 derivatives, process for preparation thereof, and (1984-06-26),

3. 4388243 - Process for the preparation of active-type vitamin D.sub.3 compounds (1983-06-14),

4. 4298537 - Process for producing steroid compounds having an oxo group in the side (1981-11-03),

5. 4292249 - 25-Hydroxy-24-oxocholestane derivatives and preparation thereof (1981-09-29),

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For the Inventor, By the Inventor

Osamu Nishikawa

Location History:

Company Filing History:

Years Active: 1981-1993