Inventor · disambiguated record
Seiji Akiyama
Also filed as: AKIYAMA SEIJI
9 granted patents·8 pending applications·15 citations·filing 1979–2023
81Inventor score
Files withMITSUBISHI CHEM CORP7DAINIPPON INK & CHEMICALS2MITSUBISHI HEAVY IND LTD2OYAMADA TAKAHITO2ADACHI CHIHAYA1
Top patents by PatentIndex Score
17 records- 0174US11424080B2Method of producing composite photocatalystMITSUBISHI CHEM CORP·Filed 2019·Granted Aug 23, 2022·0 cites·20 claims
- 0273US12344945B2Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using sameMITSUBISHI CHEM CORP·Filed 2021·Granted Jul 1, 2025·0 cites·17 claims
- 0365US11248304B2Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using sameMITSUBISHI CHEM CORP·Filed 2020·Granted Feb 15, 2022·0 cites·4 claims
- 0464US10332690B2Method of producing composite photocatalyst and composite photocatalystMITSUBISHI CHEM CORP·Filed 2017·Granted Jun 25, 2019·0 cites·20 claims
- 0553US12049583B2Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical elementMITSUBISHI CHEM CORP·Filed 2023·Granted Jul 30, 2024·0 cites·20 claims
- 0646US4857469AProcess for preparing optically active mercapto compoundTOYO JOZO KK·Filed 1988·Granted Aug 15, 1989·5 cites·6 claims
- 0743US2019144723A1Adhesive sheet and articleDAINIPPON INK & CHEMICALS·Filed 2017·Application pending·0 cites
- 0842US2008012475A1Pyrene Based Compound, And Light Emitting Transistor Element And Electroluminescence Element Using The SameOYAMADA TAKAHITO·Filed 2005·Application pending·0 cites
- 0940US2009179196A1Pyrene-Based Organic Compound, Transistor Material and Light-Emitting Transistor DeviceADACHI CHIHAYA·Filed 2007·Application pending·0 cites
- 1039US6803944B2Invader detector and controllerFUJITSU TEN LTD·Filed 2003·Granted Oct 12, 2004·2 cites·22 claims
- 1138US2008105865A1Pyrene Based Compound and Light Emitting Transistor Element Using the SameOYAMADA TAKAHITO·Filed 2005·Application pending·0 cites
- 1238US2017158916A1Adhesive tape, electronic device, and method for dismantling articleDAINIPPON INK & CHEMICALS·Filed 2015·Application pending·0 cites
- 1337US2013333758A1Photoelectric conversion element, solar cell and solar cell moduleMITSUBISHI CHEM CORP·Filed 2013·Application pending·0 cites
- 1436US2011049444A1Colored resin compositions for color filter, color filter, organic el display, and liquid-crystal display deviceMITSUBISHI CHEM CORP·Filed 2010·Application pending·0 cites
- 1531US4335981ACargo handling equipmentMITSUBISHI HEAVY IND LTD·Filed 1979·Granted Jun 22, 1982·5 cites·2 claims
- 1631US2012211082A1Photoelectric conversion device and solar cell using the sameAKIYAMA SEIJI·Filed 2012·Application pending·0 cites
- 1727US4329104ACargo handling apparatusMITSUBISHI HEAVY IND LTD·Filed 1979·Granted May 11, 1982·3 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →