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For the Inventor, By the Inventor

Hong Kong, China

Chief Resources Limited


USPTO Granted Patents = 2

Forward Citations = 3

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1 inventor (with patents filed for the assignee):

goldMedal Yoshikatsu Ikari (2 out of 8 patents)


2 patents:

1. 5618526 - Composition containing divalent manganese ion (1997-04-08),
2. 5368851 - Composition containing divalent manganese ion and method for preparing (1994-11-29),
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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#1,156 in Hong Kong

#10,046 in China

...
Hong Kong, China

Chief Resources Limited

Forward Citations = 3

1 inventor:

goldMedal Yoshikatsu Ikari (2 out of 8 patents)

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