Inventor · disambiguated record
Keiji Doi
Also filed as: DOI KEIJI
1 granted patent·3 pending applications·6 citations·filing 2002–2007
28Inventor score
Files withHITACHI LTD2
Top patents by PatentIndex Score
4 records- 0144US6597873B2Lens hoodFiled 2002·Granted Jul 22, 2003·6 cites·7 claims
- 0240US2005144308A1Method for managing file transfer actions, method for visualizing file transfer actions, and apparatus for managing file transfer actions and user terminals in file transfer systemFiled 2004·Application pending·0 cites
- 0338US2008034322A1Image Design Support ToolHITACHI LTD·Filed 2007·Application pending·0 cites
- 0438US2008040677A1HMI Development Support Apparatus, HMI Development Support Method and HMI Development Support ProgramHITACHI LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →