HH

Hisao Hara

KK Kanto Kagaku: 1 patents #1 of 3Top 35%
NI Nissan Chemical Industries: 1 patents #17 of 91Top 20%
Overall (1994): #126,250 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5326490 Surface tension sulfuric acid composition Kiyoto Mori, Takao Shihoya 1994-07-05