YI

Yasu Ishii

JC Japan Pionics Co.: 1 patents #4 of 11Top 40%
Overall (1997): #57,748 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5632964 Cleaning method for exhaust gas containing ammonia and silane Noboru Akita 1997-05-27