Inventor · disambiguated record
Asako Koyanagi
Also filed as: KOYANAGI ASAKO
1 granted patent·2 pending applications·13 citations·filing 2001–2005
34Inventor score
Files withHITACHI LTD2
Top patents by PatentIndex Score
3 records- 0152US6490187B2Semiconductor electric power conversion deviceHITACHI LTD·Filed 2001·Granted Dec 3, 2002·13 cites·7 claims
- 0248US2004030628A1Asset management support system and methodFiled 2003·Application pending·0 cites
- 0339US2006100891A1System and method for pricing products and maintenance /administration service costHITACHI LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →