Inventor · disambiguated record
Ritsuko Obata
Also filed as: OBATA RITSUKO
2 granted patents·61 citations·filing 1993–1998
65Inventor score
Files withHITACHI CHEMICAL CO LTD2
Top patents by PatentIndex Score
2 records- 0172US5532105APhotolithographically viahole-forming photosensitive element comprising two photosensitive layers for the fabrication process of multilayer wiring boardHITACHI CHEMICAL CO LTD·Filed 1993·Granted Jul 2, 1996·39 cites·5 claims
- 0262US6060215APhotosensitive resin composition and application of its photosensitivityHITACHI CHEMICAL CO LTD·Filed 1998·Granted May 9, 2000·22 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →