YI

Yoshio Ishihara

NS Nippon Sanso: 2 patents #5 of 57Top 9%
📍 Tsuchiura, JP: #7 of 64 inventorsTop 15%
Overall (2002): #34,449 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6375911 Method and device for treating exhaust gas Tadahiro Ohmi, Koh Matsumoto, Tetsuya Kimijima 2002-04-23
6343239 Transportation method for substrate wafers and transportation apparatus Masayuki Toda, Tadahiro Ohmi 2002-01-29