KO

Keiichi Otsuka

HL Hitachi Shipbuilding & Engineering Company Limited: 1 patents #37 of 117Top 35%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
OP Osaka Prefecture University Public: 1 patents #50 of 165Top 35%
📍 Ibaraki, JP: #3,280 of 6,779 inventorsTop 50%
Overall (All Time): #2,080,625 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8574506 Method and apparatus for processing exhaust gas Tomoyuki Kuroki, Masaaki Okubo, Toshiaki Yamamoto, Hidekatsu Fujishima 2013-11-05
4229157 System for controlling feed of waste gas to ground flare Takusen Ito, Masami Murakami, Eizo Ishikawa 1980-10-21