Inventor
SAWAYAMA SHIGEKI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “SAWAYAMA SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGENCY IND SCIENCE TECHN
3 patentsUS5476787ADec 19, 1995
Method of removing nitrogen impurities from water using hydrocarbon-producing microalga
AGENCY IND SCIENCE TECHN70 citations91
US5707417AJan 13, 1998
Process of treating garbage with simultaneous production of methane
AGENCY IND SCIENCE TECHN38 citations90
US6106719AAug 22, 2000
Process for treating liquid waste using light under anaerobic conditions
AGENCY IND SCIENCE TECHN7 citations70