Hajimu Kitahara

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Packing material for chromatographic use
- Patent number 4,963,254
- Issue date Oct 16, 1990
- Sumitomo Chemical Company, Limited
- Naobumi Oi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Packing materials for chromatographic use and a method for analysis...
- Patent number 4,512,898
- Issue date Apr 23, 1985
- Sumitomo Chemical Company, Limited
- Naobumi Oi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL