Inventor · disambiguated record
Koichi Koga
Also filed as: KOGA KOICHI
15 granted patents·3 pending applications·284 citations·filing 1974–2023
93Inventor score
Files withNEC LCD TECHNOLOGIES LTD9NGK INSULATORS LTD2SUMITOMO CHEMICAL CO2ENDO TAKESHI1MITSUBISHI HITACHI POWER SYS1
Top patents by PatentIndex Score
18 records- 0194US6075505AActive matrix liquid crystal displayNEC CORP·Filed 1997·Granted Jun 13, 2000·146 cites·3 claims
- 0291US6727878B2Liquid crystal displayNEC LCD TECHNOLOGIES LTD·Filed 2001·Granted Apr 27, 2004·40 cites·2 claims
- 0378US6894673B2Liquid crystal display control circuitNEC LCD TECHNOLOGIES LTD·Filed 2002·Granted May 17, 2005·20 cites·18 claims
- 0477US7116297B2Liquid crystal display device and driving method for liquid crystal display deviceNEC LCD TECHNOLOGIES LTD·Filed 2003·Granted Oct 3, 2006·16 cites·4 claims
- 0574US6747669B1Method for varying initial value in gray scale modificationNEC LCD TECHNOLOGIES LTD·Filed 2000·Granted Jun 8, 2004·16 cites·10 claims
- 0673US4028331AUltra violet absorberSUMITOMO CHEMICAL CO·Filed 1975·Granted Jun 7, 1977·20 cites·9 claims
- 0772US10511033B2Solid oxide fuel cellNGK INSULATORS LTD·Filed 2013·Granted Dec 17, 2019·1 cites·8 claims
- 0871US2024052505A1Water electrolysis cell and water electrolyzerPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 0967US6982693B2Liquid crystal displayNEC LCD TECHNOLOGIES LTD·Filed 2004·Granted Jan 3, 2006·7 cites·11 claims
- 1062US6911967B2Liquid crystal displayNEC LCD TECHNOLOGIES LTD·Filed 2004·Granted Jun 28, 2005·5 cites·13 claims
- 1154US7126572B2Image display method and image display deviceNEC LCD TECHNOLOGIES LTD·Filed 2003·Granted Oct 24, 2006·4 cites·18 claims
- 1254US2006232534A1Liquid crystal display device and driving method for liquid crystal display deviceNEC LCD TECHNOLOGIES LTD·Filed 2006·Application pending·0 cites
- 1353US8748650B2Method for production of N-carboxy amino acid anhydride and amino acid carbamate compoundENDO TAKESHI·Filed 2009·Granted Jun 10, 2014·0 cites·20 claims
- 1451US10181605B2Joining material and stack structure of fuel cell using the joining materialNGK INSULATORS LTD·Filed 2013·Granted Jan 15, 2019·0 cites·10 claims
- 1549US8883369B2Connected body connecting electrically between power generation parts of solid oxide fuel cellsOHMORI MAKOTO·Filed 2011·Granted Nov 11, 2014·0 cites·17 claims
- 1647US7202845B2Liquid crystal display deviceNEC LCD TECHNOLOGIES LTD·Filed 2002·Granted Apr 10, 2007·4 cites·9 claims
- 1736US2021207529A1Gasifier wall, integrated gasification combined cycle power generation equipment comprising same, and method for producing gasifier wallMITSUBISHI HITACHI POWER SYS·Filed 2017·Application pending·0 cites
- 1834US3947471ABenz (c) fluoran compounds and recording sheet containing themSUMITOMO CHEMICAL CO·Filed 1974·Granted Mar 30, 1976·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →