YO

Yasushi OBARA

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
SC Speedfam Co.: 1 patents #48 of 105Top 50%
📍 Kitakami, JP: #16 of 52 inventorsTop 35%
Overall (All Time): #1,889,982 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11145492 Local dry etching apparatus 2021-10-12
6129776 Operation method of vertical furnace Masaaki Naito, Norimitsu Konno, Yasuhiko Fujiwara, Kyoichi Araki, Teruhiko Kokubun +1 more 2000-10-10