Inventor · disambiguated record
Masakazu Hishinuma
Also filed as: HISHINUMA MASAKAZU
8 granted patents·83 citations·filing 1989–2016
85Inventor score
Top patents by PatentIndex Score
8 records- 0169US5168068AAdsorbent-type gas monitorHARVARD COLLEGE·Filed 1989·Granted Dec 1, 1992·27 cites·2 claims
- 0263US5224347AMethod and apparatus for controlling the air-fuel ratio of a gas engineTOKYO GAS CO LTD·Filed 1991·Granted Jul 6, 1993·23 cites·2 claims
- 0361US10655068B2Gas meter system and heating value derivation methodTOKYO GAS CO LTD·Filed 2016·Granted May 19, 2020·1 cites·18 claims
- 0456US6790474B1Fuel electrode of solid oxide fuel cell and process for the production of the sameTOKYO GAS CO LTD·Filed 1997·Granted Sep 14, 2004·14 cites·16 claims
- 0543US11047720B2Gas meter system and heating value estimation methodTOKYO GAS CO LTD·Filed 2016·Granted Jun 29, 2021·0 cites·18 claims
- 0640US5417060AAir fuel ratio control apparatus for an internal combustion engineNIPPON DENSO CO·Filed 1993·Granted May 23, 1995·14 cites·22 claims
- 0738US10613056B2Heating value derivation device and heating value derivation methodTOKYO GAS CO LTD·Filed 2016·Granted Apr 7, 2020·0 cites·10 claims
- 0830US5128268AHalogen/charge-transfer complex gas monitorHARVARD COLLEGE·Filed 1989·Granted Jul 7, 1992·4 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →