Inventor · disambiguated record
Takaki Otsuka
Also filed as: OTSUKA TAKAKI
4 granted patents·207 citations·filing 1998–2002
82Inventor score
Files withNGK SPARK PLUG CO4
Top patents by PatentIndex Score
4 records- 0194US6743352B2Method and apparatus for correcting a gas sensor response for moisture in exhaust gasNGK SPARK PLUG CO·Filed 2002·Granted Jun 1, 2004·48 cites·8 claims
- 0294US6375828B2Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensorNGK SPARK PLUG CO·Filed 1998·Granted Apr 23, 2002·82 cites·20 claims
- 0391US6923902B2Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensorNGK SPARK PLUG CO·Filed 2002·Granted Aug 2, 2005·40 cites·12 claims
- 0471US6344134B1Method for measuring NOx concentration and NOx concentration sensorNGK SPARK PLUG CO·Filed 1999·Granted Feb 5, 2002·37 cites·35 claims
Join the waitlist — get patent alerts
Get an alert when Takaki Otsuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →