Inventor

ZHANG ZHEN YA

JP2 patents

Patents

2 patents

US7018815B2Mar 28, 2006

Method for producing vitamin B12 from hydrogen-metabolizing methane bacterium

JAPAN SCIENCE & TECH CORP6 citations69

US6972188B2Dec 6, 2005

Process for producing vitamin B12 from hydrogen-metabolizing methane bacterium

JAPAN SCIENCE & TECH CORP2 citations58