Inventor · disambiguated record

Keiichi Otsuka

Also filed as: OTSUKA KEIICHI

2 granted patents·37 citations·filing 1978–2008

61Inventor score

Technology areasB01D F23G

Files withHITACHI SHIPBUILDING ENG CO1 KUROKI TOMOYUKI1

Top patents by PatentIndex Score

2 records

0176US4229157ASystem for controlling feed of waste gas to ground flareHITACHI SHIPBUILDING ENG CO·Filed 1978·Granted Oct 21, 1980·31 cites·7 claims
0262US8574506B2Method and apparatus for processing exhaust gasKUROKI TOMOYUKI·Filed 2008·Granted Nov 5, 2013·6 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →