Tadao Ohta

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Column packing material with both hydrophobic and hydrophilic group...
- Patent number 5,135,649
- Issue date Aug 4, 1992
- Shiseido Company Ltd.
- Taketoshi Kanda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL